Lululemon Define Jacket Review: Is This Worth Your Money?

You have probably seen this jacket everywhere. Gym parking lots. Coffee shops. Your favorite Instagram fitness influencers. The Lululemon Define Jacket has become more than just activewear. It has transformed into a cultural phenomenon.

Women across the globe swear by this jacket. They call it the BBL jacket because it creates curves. They wear it for workouts, errands, and travel. Some people even own multiple colors. But does this jacket deserve all the attention? Is spending over $100 on a workout jacket actually smart?

This review will answer all your questions. I have researched everything about the Define Jacket. You will learn about the different fabric options. You will discover sizing tips. You will find out if cheaper alternatives exist. Most importantly, you will know if this jacket is right for your wardrobe and your wallet.

Key Takeaways

• Price and versions matter. The Define Jacket starts at $118 for the standard version. The hooded version costs $128. The relaxed fit costs $138. Different fabrics come at different price points. Seasonal materials sometimes add an extra $10 to $20.
• Sizing runs small across the board. Most women need to size up from their regular size. The jacket is designed to hug your body. You should try it on in store if possible. Many people who wear size small in regular clothes need size 6 or even size 8 in this jacket.
• Fabric choice changes everything about your experience. Luon fabric feels cottony and provides structure. Nulu fabric feels buttery soft and stretchy. Luxtreme fabric works best for heavy workouts. Your fabric choice should match how you plan to use the jacket.
• The sculpting effect is real and noticeable. The jacket creates the illusion of a smaller waist. It emphasizes your hips and curves. The seam placement is strategic for this purpose. This is why people call it the BBL jacket on social media.
• Durability justifies the high price over time. Multiple long time owners report their jackets lasting many years. The construction quality prevents major stretching. Lululemon offers free repairs for pilling and seam damage. Cost per wear becomes reasonable if you use it frequently.

What Makes the Lululemon Define Jacket So Special

The Define Jacket stands out in the crowded activewear market. This jacket has been popular for over a decade. The design focuses on creating a flattering silhouette while maintaining comfort.

The jacket features strategic seaming down the front and back. These seams are not just decorative. They actually shape your body and create definition. The seams contour your waist and emphasize your natural curves. Many women notice an immediate difference in their shape when they zip up the jacket.

Quality construction sets this jacket apart from cheaper alternatives. The stitching is reinforced at stress points. The zippers feel heavy and substantial. They glide smoothly without catching on the fabric. The mesh back panel provides breathability without compromising structure.

The fabric technology is genuinely impressive. Lululemon has developed proprietary materials over years of research. These fabrics wick moisture away from your skin. They stretch in four directions for complete freedom of movement. They bounce back to their original shape after wearing and washing.

Understanding the Different Fabric Options

Last update on 2026-07-04 / Affiliate links / Images from Amazon Product Advertising API

Choosing the right fabric is crucial for your satisfaction. Each fabric serves different purposes. Your choice should match your lifestyle and climate.

Luon fabric is the original Define Jacket material. This fabric feels soft and cottony against your skin. It provides the most structure and shaping of all the fabrics. The thickness helps smooth out any bumps or imperfections. However, Luon is more prone to pilling than other options. It also tends to collect pet hair and lint more easily. Luon works best for moderate climates and casual wear.

Nulu fabric is the softest option available. This is the same material used in the famous Align leggings. Nulu feels almost weightless on your body. It provides a naked sensation that many people love. The fabric is extremely breathable and comfortable. However, Nulu is more delicate than Luon. It can pill more easily with friction. Nulu absorbs sweat more than performance fabrics. This fabric is ideal for yoga, light workouts, and warm weather.

Luxtreme fabric is built for performance. This material is smooth and sleek to the touch. It handles sweat and moisture exceptionally well. The fabric dries quickly after workouts. Luxtreme is more durable than both Luon and Nulu. It resists pilling and maintains its appearance longer. However, Luxtreme allows wind to pass through more easily. It feels less soft and cozy than the other fabrics. Choose Luxtreme for intense cardio workouts and hot yoga.

Nulux fabric combines the best of Nulu and Luxtreme. This hybrid material maintains the soft texture of Nulu. It adds the quick drying properties of Luxtreme. Nulux is very lightweight and barely noticeable on your body. It works well for cardio activities. The fabric is cooler than Luon during exercise.

Rulu fabric is designed for cold weather. This material provides the same soft feel as Nulu. It adds extra warmth for winter months. Rulu is only available seasonally. You should consider this option if you live in a cold climate and plan to wear the jacket primarily outdoors.

The Classic Define Jacket Features and Design

The original Define Jacket includes several thoughtful design elements. These features make the jacket more functional than it appears at first glance.

The zippered pockets are larger than expected. You can easily fit your phone, keys, wallet, and AirPods case. The zippers keep your belongings secure during movement. You do not need to worry about items falling out during workouts or bending over.

Thumbholes at the cuffs serve multiple purposes. They keep your sleeves in place during exercise. They provide extra hand coverage in cool weather. The cuffs can fold down to create cuffins. These are makeshift gloves that cover your hands when temperatures drop.

The zipper pull doubles as an emergency hair tie. This elastic pull can secure your hair in a pinch. Many women appreciate this backup option when they forget their hair tie at home.

A zipper garage protects your neck from irritation. This small fabric panel covers the top of the zipper. It prevents the metal from rubbing against your skin. This detail shows the attention Lululemon paid to comfort.

The locker loop on the back is practical for gym users. You can hang the jacket inside your locker easily. This prevents your jacket from falling on the floor or getting wrinkled.

The reflective logo on the back increases visibility. This safety feature helps drivers see you during early morning or evening runs. The logo proportions match the standard Lululemon design exactly.

Top 3 Alternatives for Lululemon Define Jacket

Not everyone wants to spend $118 on a workout jacket. Several alternatives offer similar features at lower price points.

Last update on 2026-07-04 / Affiliate links / Images from Amazon Product Advertising API

Last update on 2026-07-04 / Affiliate links / Images from Amazon Product Advertising API

Last update on 2026-07-04 / Affiliate links / Images from Amazon Product Advertising API

How the Define Jacket Fits Different Body Types

Understanding the fit is essential before purchasing. The Define Jacket is designed to hug your body closely. This creates the signature sculpted look.

Most women need to size up from their usual size. The jacket runs small compared to standard clothing sizes. Someone who typically wears size small or medium in regular clothes might need size 6 or 8 in this jacket. The fit is meant to be snug but not restrictive.

You should be able to move your arms freely. You should be able to zip the jacket comfortably without pulling. The jacket should not gap at the bust or pull across the shoulders. If you feel like a stuffed sausage, you need to go up a size.

The jacket length hits just below the waistband of your leggings. This length creates the most flattering proportions. It emphasizes your waist while showcasing your hips and legs. Shorter women sometimes find the standard length too long. Lululemon offers free hemming services to adjust the length.

Body type considerations matter for fit. Women with larger busts often need to size up more than the size chart suggests. The jacket is cut close through the chest area. Athletes with broad shoulders might also need extra room. Women with longer torsos appreciate the full length version. Those with shorter torsos often prefer the cropped version.

The jacket does stretch slightly with wear. However, it maintains its shape remarkably well over time. Multiple long term owners report minimal stretching even after years of regular use.

Comparing the Cropped Define Jacket Version

The Define Cropped Jacket offers a different silhouette. This version ends at your natural waist instead of below it. The cropped length creates a different look and feel.

The cropped version tends to fit slightly looser than the original. The shorter length means the jacket does not have your hips to hold it in place. The waist sits higher and can feel less fitted. Some women prefer this looser fit for casual wear.

The cropped style makes your legs look longer. This proportion can be very flattering. The shorter length works well with high waisted leggings and shorts. You can also pair it with skirts for a sporty casual look.

Women who are petite often prefer the cropped version. The regular length can overwhelm shorter frames. The cropped length provides better proportions without needing alterations. However, Lululemon does offer free hemming on the regular length.

The cropped jacket might be more comfortable for certain activities. Less fabric around your hips means more freedom of movement. Pilates practitioners appreciate having less material against the mat. Runners sometimes prefer less compression around the hip area.

The Hooded Define Jacket Pros and Cons

The Define Hooded Jacket adds a cinchable hood to the classic design. This version costs an additional $10 at $128.

The hood changes the fit slightly. The hooded version feels a bit looser through the body than the original. The added hood material affects the overall structure. The jacket still provides shaping but feels less snug.

The hood is practical for outdoor activities. You can cinch it tightly around your face in wind or light rain. The hood provides extra warmth without needing a separate hat. However, the hood can get in the way during workouts.

Most gym users prefer the original version without the hood. Hoods can be annoying during floor exercises. They add bulk when you are lying on your back. They can slip over your head during inverted positions in yoga.

The hooded version works better as casual athleisure wear. You can wear it for errands, travel, and outdoor activities. It is less ideal as a dedicated workout jacket. If you want a hooded Lululemon jacket primarily for working out, consider the Scuba Hoodie instead.

What to Know About the Relaxed Fit Version

The Define Relaxed Fit Jacket is the newest variation. This version offers a looser, more oversized fit. It costs $138, making it the most expensive standard option.

The relaxed fit changes the entire aesthetic of the jacket. This version loses the signature body hugging silhouette. The fit is baggy and reminiscent of windbreakers from the 1980s and 1990s. It includes a cinch waist to adjust the fit.

This version maintains many of the same features as the original. You still get thumbholes, cuffins, a locker loop, double seaming, and zip pockets. However, the fabric choice feels odd for this oversized style.

Most Define Jacket enthusiasts do not love the relaxed fit version. The whole appeal of the original is the sculpted, flattering fit. The relaxed version eliminates this key feature. It looks more like a casual sweatshirt than the iconic Define Jacket.

This version might appeal to people who want the Define Jacket look without the compression. It works for lounging, travel, and running errands. It is not practical for serious workouts. The baggy fit can get in the way during exercise.

The relaxed fit runs large compared to other versions. If you are between sizes, you should size down. This is the opposite advice from the other Define Jacket styles.

Breaking Down the Price and Value

The Lululemon Define Jacket costs $118 for the standard version. This price feels expensive for many shoppers. You need to evaluate the cost against the quality and longevity.

Cost per wear is the most important metric. If you wear the jacket five times per week for a year, that is 260 wears. Your cost per wear drops to about $0.45. If you wear the jacket for multiple years, the cost per wear becomes even lower.

Long term owners report their jackets lasting many years. One reviewer still wears her jacket after 12 years. The jacket maintains its shape and structure over time. Minor pilling is the main sign of wear. Lululemon fixes pilling for free under their repair program.

The quality construction justifies the higher price. Cheaper alternatives often use inferior fabrics. The stitching may come undone at stress points. The zippers might break or start catching. You may need to replace a cheap jacket multiple times in the same timeframe you would wear one Define Jacket.

The proprietary fabrics are genuinely superior to generic athletic materials. Lululemon invests heavily in textile research and development. These fabrics perform better during exercise. They maintain their appearance longer. They feel more comfortable against your skin.

How to Care for Your Define Jacket

Proper care extends the life of your jacket. Washing and drying correctly prevents premature wear and pilling.

The official care instructions recommend machine wash cold and tumble dry low. This approach is convenient but increases pilling over time. The agitation from washing and heat from drying stresses the fabric fibers.

Many long term owners use gentler washing methods. They wash their Define Jackets on a hand wash or delicate cycle. They lay the jackets flat to dry or hang them to air dry. This extra care keeps the jackets looking newer for longer periods.

Never dry clean your Define Jacket. Dry cleaning chemicals can damage the technical fabrics. They can break down the moisture wicking properties. They may cause the fabric to lose its stretch. Dry cleaning is also expensive and unnecessary for workout clothes.

You should wash your jacket regularly if you wear it for exercise. Sweat and body oils can break down fabric over time. However, you do not need to wash the jacket after every wear if you only wore it casually. Spot cleaning can handle minor marks between full washes.

Store your jacket on a hanger when not in use. The locker loop makes hanging easy. Avoid leaving the jacket crumpled in a gym bag. Wrinkles can set into the fabric if left too long.

Finding the Define Jacket on Sale

The Define Jacket rarely goes on sale. Popular colors in standard fabrics almost never get marked down. However, you can find deals with some strategic shopping.

Lululemon marks down seasonal colors in their We Made Too Much section. Discounts are typically modest at 10 to 20 percent off. Sizes sell out extremely quickly when desirable colors get marked down. You need fast fingers and quick decision making.

Core colors like black, white, and navy in Luon or Nulu never go on sale. Seasonal fabrics like Rulu might get marked down when the weather changes. Unusual colors or patterns are more likely to be discounted.

Resale websites offer deeper discounts on past styles and colors. Poshmark, eBay, Mercari, and ThredUp all carry used Define Jackets. You can find jackets for 30 to 70 percent off retail prices. Some sellers list barely worn or even new with tags items.

Be cautious when buying from resale sites. Counterfeit Define Jackets are common on these platforms. Fakes look similar in photos but use inferior materials and construction. You need to know how to spot a fake jacket before purchasing secondhand.

Check the seller reviews and ratings carefully. Ask for additional photos if needed. Look for size dots, proper logos, and correct tag formatting. Compare the jacket details to authentic versions.

The BBL Jacket Phenomenon Explained

The Define Jacket has gone viral on social media as the BBL jacket. This nickname refers to Brazilian Butt Lift surgery. The jacket creates a similar curved silhouette without surgery.

The strategic seam placement creates the illusion of a smaller waist. The jacket nips in at your natural waist. The seams then flare out slightly over your hips. This shape emphasizes the difference between your waist and hips.

The jacket length is key to this effect. The hem hits just below your waist at the top of your hips. This placement draws the eye to your hip area. Your legs appear longer and your proportions more dramatic.

The fitted design smooths your torso and creates clean lines. Any bumps or bulges disappear under the structured fabric. Your silhouette looks more streamlined and defined. The overall effect is a curvier, more hourglass shaped figure.

TikTok users have demonstrated the dramatic before and after effect. Videos show women trying on the jacket and immediately appearing to have more curves. These viral videos have increased demand for the jacket significantly.

Common Problems and Complaints

No product is perfect. The Define Jacket has some drawbacks worth considering before purchasing.

Pilling is the most common complaint. Luon fabric in particular is prone to pilling with regular wear and washing. The fabric develops small balls of fiber on the surface. This happens faster if you wash on regular cycles and use the dryer. Areas of high friction like under the arms and at the sides pill first.

Lululemon will fix pilling for free under their repair program. However, some people find the pilling frustrating. Choosing Luxtreme or being very careful with washing can minimize this issue.

The zipper tends to slide down during cardio workouts. The jacket zipper does not lock in place. During jumping or high intensity movements, the zipper can gradually unzip itself. You need to pull it back up periodically. This is a minor annoyance but noticeable during certain activities.

Colors often look different in person than on the website. Lululemon product photos are not always color accurate. A color that looks rich and saturated online might appear washed out in person. Always check reviews and try to see colors in store if possible.

Popular colors sell out almost immediately. New color releases often sell out in common sizes within hours or days. You may not be able to get your preferred color in your size. You either need to buy immediately when new colors drop or settle for available options.

The price point remains a barrier for many shoppers. Not everyone can justify spending over $100 on a jacket. The high price makes the purchase feel risky if you are unsure about fit or fabric.

How to Spot a Fake Lululemon Define Jacket

Counterfeit Define Jackets flood the resale market. Learning to identify fakes protects you from wasting money on inferior products.

Check the rip tags first. Authentic tags never have accent marks on the brand name. Fakes often spell the brand as lululemon athleticá with an accent over the a. Real tags use clean, crisp printing. Fake tags might have blurry or uneven text.

Examine the reflective logo on the back. The om symbol should be perfectly proportioned inside the circle. Fakes often have an om symbol that is too large or too small. The logo should be centered exactly above the mesh vent seam and hanging hook.

Look for the size dot in the left zip pocket. All authentic Define Jackets have a size dot in this location. Older jackets have circular dots with just a number. Newer jackets have square stickers with multiple codes. The size dot should never be missing.

Inspect the zipper pull carefully. Real jackets have a thin elastic pull with the Lululemon logo charm at the end. The charm should match the official logo design exactly. Many fakes are missing the logo charm entirely or have an incorrect design.

Check the hanging loop placement. The loop should be sewn over the mesh vent seam on the back. It should not be sewn under the seam or into the seam itself. This construction detail is consistent across all authentic jackets.

If you are buying new with tags, the cardboard hang tag should attach to the garment itself. It should not be attached to the rip tag. This is another sign of authenticity.

Best Ways to Style Your Define Jacket

The Define Jacket works for many different looks. You can dress it up or down depending on the occasion.

The classic athleisure look pairs the jacket with leggings. High waisted leggings work best with the jacket length. The jacket emphasizes your waist while the leggings showcase your legs. Add sneakers and you have a complete gym to errands outfit.

You can wear the jacket with athletic shorts for warmer weather. Bike shorts create a sleek, modern look. Running shorts work for actual workouts. The jacket provides light coverage without overheating.

Try pairing the jacket with a tennis skirt or athletic skirt. This combination creates a feminine, sporty aesthetic. The fitted jacket balances the flowy skirt perfectly. This look works well for casual outings and weekend activities.

The jacket looks great with jeans for a casual everyday outfit. Skinny jeans or straight leg jeans both work well. The jacket adds polish to a simple jeans and tee combination. This outfit is perfect for running errands, coffee dates, or casual meetings.

Layer the jacket over dresses for transitional weather. A simple tank dress with the Define Jacket creates an easy put together look. This combination works for travel, casual events, or weekend activities.

Should You Buy the Lululemon Define Jacket

The final question is whether this jacket is right for you. The answer depends on your lifestyle, budget, and priorities.

Buy the Define Jacket if you wear athletic clothes frequently. The cost per wear justifies the investment if you will wear the jacket multiple times per week. The jacket works for workouts, casual wear, and travel. The versatility increases the value significantly.

Buy the jacket if you prioritize quality over price. The construction and materials are genuinely superior to cheaper alternatives. The jacket will last for years with proper care. You get what you pay for with this investment piece.

Buy the jacket if the sculpting effect appeals to you. The flattering fit is the signature feature of this design. If you like how it looks and makes you feel, the price becomes more reasonable.

Consider alternatives if your budget is tight. Several good dupes exist at lower price points. While they may not match the exact quality, they offer similar features and looks. You can try a cheaper version first to see if you like the style.

Skip the jacket if you prefer loose fitting clothes. The tight, body hugging fit is not for everyone. If you feel uncomfortable in fitted clothing, this jacket will not make you happy. The relaxed fit version exists but loses the signature appeal.

Skip the jacket if you rarely wear athletic clothes. The cost per wear will be too high if the jacket sits in your closet. Your money would be better spent on clothing you will actually use regularly.

Final Thoughts on the Define Jacket Experience

The Lululemon Define Jacket has earned its cult status. The thoughtful design, quality construction, and flattering fit set it apart from generic athletic jackets. The high price point is justified by the longevity and versatility of the piece.

The fabric choices allow you to customize the jacket to your needs. Luon provides structure and everyday wearability. Nulu offers soft comfort for light activities. Luxtreme delivers performance for intense workouts. You can choose the fabric that matches your lifestyle.

The jacket works for many different situations. You can wear it to the gym, on a plane, to run errands, or to meet friends for coffee. This versatility increases the value of your investment. One jacket serves multiple purposes in your wardrobe.

The BBL effect is real and noticeable. The sculpted silhouette boosts confidence and creates flattering proportions. The strategic seaming does create the appearance of a smaller waist and fuller hips. This effect alone convinces many women to make the purchase.

The key to happiness with this jacket is getting the right size and fabric. Take time to try on different sizes in store if possible. Consider how you will primarily use the jacket when choosing your fabric. These decisions determine whether you will love or regret your purchase.

Frequently Asked Questions

Can you work out in the Lululemon Define Jacket?

Yes, you can absolutely work out in the Define Jacket. Many people wear this jacket specifically for exercise. The jacket is designed as activewear. However, your fabric choice matters for workout performance. Luxtreme and Nulux work best for sweaty cardio sessions and hot yoga. Luon and Nulu are better for light workouts like yoga, pilates, and barre classes. The fitted design allows full range of motion during exercise.

Does the Define Jacket stretch out over time?

The Define Jacket maintains its shape remarkably well over time. The fabric does stretch slightly with wear, particularly in the arms. However, the stretch is minimal and not usually noticeable. Multiple long term owners report their jackets still fit properly after years of regular use. The quality construction prevents major stretching or sagging. Proper care through gentle washing and air drying helps maintain the original fit longer.

How do you wash a Lululemon Define Jacket?

You can machine wash the Define Jacket in cold water. Lululemon officially recommends tumble dry low, but air drying extends the jacket life. Many owners use a delicate or hand wash cycle instead of regular wash. Lay the jacket flat to dry or hang it to air dry. Never dry clean your Define Jacket as chemicals damage the technical fabrics. Wash the jacket regularly if you wear it for workouts to prevent sweat and oil buildup.

Is the Define Jacket worth it for someone on a budget?

The Define Jacket is expensive for a single piece of activewear. However, the cost per wear becomes reasonable if you wear it frequently. Someone who wears the jacket five times per week will get their money’s worth within months. The jacket lasts for years, making the long term value strong. If you only occasionally wear athletic clothes, the jacket may not be worth the investment. Consider cheaper alternatives or wait to buy on sale from the We Made Too Much section.

What size should I get in the Lululemon Define Jacket?

Most women need to size up from their regular clothing size. The jacket is designed to fit snugly against your body. If you typically wear size small or medium, you might need size 6 or 8 in the Define Jacket. Try the jacket on in store if possible to find your correct size. The jacket should zip comfortably without pulling. You should be able to move your arms freely. If you feel restricted or uncomfortable, go up one size.

Which fabric is best for the Define Jacket?

The best fabric depends on how you plan to use the jacket. Luon provides the most structure and works well for casual wear and moderate exercise. Nulu feels softest and most comfortable but is more delicate and better for light activities. Luxtreme performs best for intense workouts and hot yoga. Nulux combines softness with performance for cardio activities. Rulu adds extra warmth for cold weather. Consider your primary use case when choosing your fabric.