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Women's Convertible Swim Shirt UPF 50+

Women's Convertible Swim Shirt UPF 50+ is rated 4.3 out of 5 by 108.
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  • UPF 50+
  • Fits close to body
  • Convertible shirt: tank-top under removable crop-top
  • Thumbholes for additional hand coverage
  • Droptail hemline on tank top
  • Flat lock seams to prevent chaffing
  • Aqua SUNTECT®: Chlorine and saltwater resistant with 4-way stretch
  • Polyester
  • Length 25" (size medium)
  • Easy care: machine wash, line dry
  • Imported

Recommended for: swimming, stand-up paddleboarding, waterskiing, fishing and boating, leisure watersports in swimming pools, fresh and saltwater

Avoid: active fitness, not moisture-wicking and may cause overheating

Sleeves or no sleeves? The versatile Convertible Swim Shirt lets you decide! You get two looks in one with this tank top featuring a removable long sleeve crop top. The athletic fit, four-way stretch and thumbholes make it great for activity in the sun, along with its quick-dry, chlorine-and saltwater-resistant fabric, perfect for when you want to jump in and swim.

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Recommendation Content

Coolibar is the first clothing company to earn the Skin Cancer Foundation's Seal of Recommendation.

Fabric Details

Coolibar’s sun protective clothing is designed to be worn in the sun and to provide excellent UV protection. If you have any questions about size, fit or style, talk to one of our Customer Service Representatives at 1-800-926-6509. They'll be happy to help, as well as offer expert advice on coordinating sunscreen hats with your wardrobe. 

Match your measurements (in inches) to the chart below. If your measurements fall in between two sizes, you may prefer the larger size. 


SIZE 2 4 6 8 10 12 14 16 18 20 22 24 26
BUST (inches) 32 33 1/4 33 1/2 35 36 1/2 38 39 1/2 41 43 45 47 49 51
WAIST (inches) 25 26 26 1/2 27 1/2 28 1/2 30 31 1/2 33 35 37 39 41 43
HIPS (inches) 35 36 36 1/2 37 1/2 38 1/2 40 41 1/2 43 45 47 49 51 53


HEAD (inches) 21 1/8 - 23 1/4 23 1/4 - 24 24 3/8 - 25 1/8 22 - 24 3/4
HEAD (cm) 54 - 59 56 - 61 62 - 64 56 - 63
HAT SIZE 6 3/4 - 7 3/8 7 3/8 - 7 5/8 7 3/4 - 8 7 - 7 7/8
Due to the range of fabrics and styles, each hat fits slightly different. See individual hat sizing ranges on their product pages. Our One Size hats are designed to fit most.


Circumference (inches) 6 - 7 7 - 8 1/2 8 1/2 - 10
Measure circumference of hand around fullest part just below the knuckles, excluding thumb. Use right hand if right handed, and left hand if left-handed. Measure hand in inches and refer to the sizing chart for your glove size. Use the larger number to determine your size. People with extra long fingers, or who would like a looser fit should consider ordering a size up.


BICEP (circumference) 7 1/4 9 1/4 11 1/4 13 1/4
WRIST (circumference) 5 1/4 5 1/2 6 6 1/4
SLEEVE LENGTH 18 20 22 1/2 22 1/2


30C, 30D *
32A, 32B, 32C, 32D *
32DD, 34A, 34B, 34C *
34D, 34DD, 36A, 36B, 36C *
36D, 36DD *
38A, 38B, 38C, 38D *
40A, 40B, 40C, 40D *
42A, 42B *
42C, 42D *

The measurements on our size chart are very similar to most major clothing companies. However, we generally allow for a relaxed fit - geared for outdoor activity, travel or a casual outing. Pants, skirts, blouses and polo shirts have extra room for comfort and are not body hugging. 

When fitting jackets, cover-ups or any outerwear, our fit model is wearing the appropriate under layers that we would expect you to be wearing. You do not have to "size up" - we have done that for you. 

Never try to measure yourself. Seek the help of a companion and use a soft tape measure. 

Height: Stand in stocking feet, with feet together, back to the wall. Measure from top of head to the floor. 

Arm: Bend arm to 90 degrees. Place hand on hip. Start at center of back of neck. Measure across the shoulder to the elbow and down to the wrist. Number of inches equals your sleeve length. 

Bust/Chest: With the arms relaxed down at sides, measure fullest part of bust/chest, keeping tape parallel to floor. 

Hip: Stand with heels together, keeping tape straight and parallel to the floor. Measure around fullest part. 

Neck: Measure around base of the neck (the lowest point of the neck). Number of inches equals the neck size. 

Inseam: Take a pair of pants that fits you well. Measure from the crotch seam to the bottom hem. Number of inches equal inseam length. 

Rise: Start the tape at the center back waist, run the tape between your legs, pulling comfortably at the crotch and up your natural waist. Total measurement is your rise. 

Waist: Measure around your waist, against your skin (not over your shirt or pants) at the height you normally wear your pants. 

Head: Measure around your head, from the center of your forehead, keeping tape straight and parallel to the floor. Measure around fullest part.

Rated 4 out of 5 by from Nice product Today I received my clothes. I had been very wrong thinking sizes !!! To big for me... How can I change the clothes? Help me...
Date published: 2018-01-17
Rated 1 out of 5 by from Not what I expected Wish I could return it. It was not clear what it was on the site. I have loved my other Coolibar products but this is not what I expected.
Date published: 2018-01-04
Rated 2 out of 5 by from Cute top and Great Idea but ... The feel of the fabric is so soft and creamy! I love the tank, but it needs a good bra under it as it is too thin and not appropriate for water aerobics. The idea of the long sleeve topper is a good one, but it is too short and should come below the bust line instead of just barely covering the decollete and showing the skin when you move. I need to be covered to protect from pre-skin cancer but want to look nice and have a nice fit when I work out. Please add the longer topper and the tank with a good bra. Will be returning.☹️
Date published: 2017-12-28
Rated 4 out of 5 by from Nice concept, but... Bought two of these when they went on sale and overall, am pleased with the purchase. The fabric choice is terrific and dries quickly in humid weather. I give Coolibar an A+ for that. Where the item fell short was in the design of the shrug. For a tall gal (5'9) with long arms, the thumb holes are completely useless because the sleeves cut into your hand when you use them. I compared the sleeve length of the shrug with that of the Long Sleeved Swim Shirt and discovered that the shrug's sleeves were an inch shorter. If you are planning on redesigning this item, please consider making the shrug's sleeves the same length as the Long Sleeved Swim Shirt's. Not being able to use the thumb holes isn't a big deal, but it would be nice. As others have reported, the top itself is short in length and when you lift your arms you expose some skin. I just apply some sunscreen to that area and I'm fine. But it would be nice to see a slightly longer version of this top -- perhaps one that covers the bust and is adjustable over that area of the body. I love that the tank top is fitted, not to mention quite flattering.
Date published: 2017-08-19
Rated 3 out of 5 by from NOT a swim suit Love the material, concept, and most of the design. High quality and beautiful colors. The "swim shirt" name is a bit misleading as this is a super thin swimsuit material--but you can't wear it without a bra or bikini top. This completely ruins the lines of the tank (it's even worse if you have any color other than black). The shirt is unlined and in the case of the coral base, see-through. I also agree the sleeves/cover up could be longer, as it barely covers the arm pits (and I went up one size), so you can't be active in it (even swimming!) without exposing skin.
Date published: 2017-08-16
Rated 5 out of 5 by from Very impressed I just received this for a trip to Aruba. I love the two pieces. I look to the reviews to help me with sizing so here goes. I am 5'6" 120 lbs but very short in the torso. I am often between small and medium in size. All of the Coolibar in small is perfect and very flattering. I have extra long arms. The sleeves are pretty good compared to lots of other clothes that I have in general. Shopping from Canada worked well.
Date published: 2017-01-31
Rated 5 out of 5 by from Love this item I bought one shirt and loved it. Likely will wear it more for travel than for swimming. I love the option to "add the sleeves on" when needed but can still use as a tank. As a new customer, fit was a question. I a 5'3", about 118lbs, with more weight in hips than chest. I bought a size Small. It fits well but not as snug as a bathing suit, which is my preference. If I were to wear this for swimming, would likely add a light weight bra underneath for a better swim fit. That may not be an issue if bust size is greater than 34C . Bought a second one after my first purchase. It would be great if Coolibar was to offer the sleeve portion as a separate item. I am very happy with these stylish items.
Date published: 2017-01-20
Rated 2 out of 5 by from Too short :( I love the idea of this shirt and I was hoping to wear the sleeve part with other shirts, though when I raise my arms or have my hands on my handlebars my skin is exposed around my armpits and gets burned. If I am rock climbing, mountain biking, swimming or doing yoga outside the area around my armpits get a sunburn because when I am reaching the shirt moves up and the area is exposed. If the top shirt was longer it would be perfect.
Date published: 2017-01-17
  • y_2018, m_1, d_23, h_11
  • bvseo_bulk, prod_bvrr, vn_bulk_2.0.6
  • cp_1, bvpage1
  • co_hasreviews, tv_0, tr_108
  • loc_en_US, sid_03278, prod, sort_[SortEntry(order=SUBMISSION_TIME, direction=DESCENDING)]
  • clientName_coolibar
  • bvseo_sdk, p_sdk, 3.2.0
  • CLOUD, getReviews, 3.9ms