Kid's Wave Swim Shorts UPF 50+

Kid's Wave Swim Shorts UPF 50+ is rated 4.1 out of 5 by 27.
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  • UPF 50+
  • Comfortable but snug elastic waistband
  • Knee-length cut
  • Inseam 7" (size small 5-6)
  • Aqua Juno™ fabric: Chlorine and saltwater resistant with 4-way stretch
  • Polyester/Spandex
  • Machine wash warm, line dry
  • Imported

Recommended UPF 50+ sun protection for all kids who are ready to splash in the water!

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

The Kid's Wave Swim Shorts are an easy, pull-on solution to provide extra coverage for days at the beach or pool. These kids swim shorts feature a knee-length cut and an enclosed elastic waist.

Fabric Details
Aqua Juno™ FabricAqua Juno™ Fabric
Aqua Juno fabric is supple, smooth and soft with all the intelligent features of our ground-breaking Aqua Classic 4-way stretch fabric. This breathable, quick-dry UPF 50+ fabric is chlorine and saltwater resistant, making it just right for water play, casual swimming, fishing and boating.

With Coolibar, it's easy to find the UV clothing size that fits your child best. Just use the size charts here and order with confidence every time. To determine the correct size, match your child's measurements to the charts (weight is in pounds and all other measurements are in inches). If you have any questions regarding the fit of an item, talk to one of our Customer Service Representatives at 1-800-926-6509. They will be happy to help.


MEASUREMENTS 0-3M 3-6M 6-12M 12-18M 18-24M
HEIGHT (inches) 22-25 25-27 27-30 30-32 32-34
WEIGHT (pounds) 11-15 15-18 18-23 23-27 27-30


HEIGHT (inches) 34 - 36 36 - 38
WEIGHT (pounds) 30 - 33 33 - 36


MEASUREMENTS XS 4 S 5-6 M 7-8 L 10-12 XL 14-16
HEIGHT 38-41 42-47 48-53 54-59 60-62
WEIGHT 35-38 39-48 49-68 69-95 96-115
CHEST 22 23-24 26-27 28-30 31-32
WAIST 22 22½-23 23½-24½ 25-26 27-29


0 - 6M
6M - 12M
12M - 24M
2T - 3T
S/M (4-8)
L/XL (10-12)
HEAD SIZE (inches) up to 17½ 18-18½ 18½-19½ 19½-20 20-21 21-22


Use a soft tape measure.

  • Height: Stand in stocking feet, with feet together, back to the wall. Measure from crown 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 on 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 of the hem. Number of inches equals 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 3 out of 5 by from girls swim shorts I ordered rash guard swim tops and swim shorts for my granddaughters, 6 & 8, to replace ones that I purchased two years ago which held up well, but after many hours of pool use and machine washing they are stretched out. However, I think the sizing needs to be more accurate. If I ordered according to the size chart, they would need a small and a medium. I purchased an XS and Small instead because they ran big on the previous purchase two years ago and had to be exchanged for smaller sizes. Both swim shorts I just ordered run big in the waist. The XS is about 2 inches big in the waist and there is no draw string to tighten. They fall half way down on her. My only option is to exchange for a size 3T with her 20 inch waist, but she is 45 inches tall and weighs 37 pounds. I'm afraid they would be too short and too snug around the legs. The elastic is not even gathered very tight to where it could be stretched to the size of the waist. The old ones have a nice tight gathering that has held up well and those are what she has to wear right now with her new top. While the shorts for my other granddaughter also run big in the waist they do stay up. The products are great for sun protection. The girls love them because they only need sunscreen on their face and lower legs. I have been using Coolibar for myself the last several years due to severe sun allergy and skin cancer. I would not be able to go to the beach without the swim capri and ruche rash guard swim top. My other thoughts are on the patterns. Too much stripes for both women and girls. What happened to the pretty tropical prints. I get many compliments on my azure palm and batik jungle swim tops and the girls floral paradise. I would recommend Coolibar for the great protection, but beware of the sizing at least for girls with a 19 pounds weight spread on medium and 26 pounds on a large. I would give this a five star rating if it weren't for the size issue.
Date published: 2016-06-22
Rated 5 out of 5 by from Love these swim shorts! These shorts are perfect for my twin girls. They fit great, dry fast, stay down, and are such good quality. My girls also have the swim skirts and quality is amazing. We love your products because of the modesty!
Date published: 2016-06-01
Rated 5 out of 5 by from cute shorts for my granddaughter! I bought these shorts and a matching shirt for my granddaughter. she'll look stylish and not have to worry so much about slathering with sunscreen!
Date published: 2016-04-30
Rated 5 out of 5 by from very comfortable My daughter loves her swin shorts. The soft stretchy material makes it very comfortable. She won't go swimming without them.
Date published: 2015-01-27
Rated 5 out of 5 by from So happy! We are going south for a few days - my girls love these swim shorts - perfect fit and great delivery!!
Date published: 2014-11-11
Rated 5 out of 5 by from Comfortable and Sun Safe With rising rates of skin cancer, wearing comfortable UV protective swim wear with greater skin coverage is a must for prevention of future skin cancer in our youth. My daughter is 10 and has been wearing these UV protective swim shorts and shirts or the zip-up Coolibar surf suit for 2 years. She loves having both sun safe options as she doesn't require as much sunscreen or need to stop for reapplication of as much sunscreen. With the increasing cost of sunscreen, I save money with these UV protective swimwear options by not having to use as much sunscreen. Although she usually wears size 10-12 in regular non-swim shorts she wears the size 6-8 in the Coolibar swim shorts and surf suit products as they run big. Perhaps offering a size 8-10 would help bridge the girls Coolibar size gap??? Thank you Coolibar for offering sun safe swim wear for the the pre-teen kids. These items are hard to find in designs and colors that are trendy for kids.
Date published: 2014-08-21
Rated 3 out of 5 by from Girl's Swim Short First time bought Coolibar Girl's Swim Short. Quality and design are par on a par with Nike and Speedo brands that I always buy for my daughter. However, there is no waist nylon strap. It is a major design overlook. There will be no one size fits all waist size and waist strap is essential to adjust the shorts to fit well on wearer. I will give a 5 starts if there is waist strap.
Date published: 2014-08-13
Rated 5 out of 5 by from Great fit - Great color I buy my daughter a new coolibar swim outfit each year. I love the girls swim tee and swim shorts that are half sleeves and the shorts go down to the knee. They are comfortable and stylish.
Date published: 2014-07-28
Rated 5 out of 5 by from Great fit I bought these pants for my 3 1/2 year old grand daughter. She is slim and very athletic. These fit great and look good too. She sometimes wears these under a short skirt and they look adorable. Colibar is a great product...I'll but more in the future.
Date published: 2014-07-02
Rated 5 out of 5 by from Great fun design I love these shorts, the floral design and bright colors encourage my daughter to wear them. She is very fair so I have to make sure she wants to put them on. She loves the fabric and is happy to wear them. They are comfortable and cover to her knees and offer a lot of protection. 
Date published: 2014-04-28
Rated 5 out of 5 by from practical My 10 year-old daughter wears these shorts ( she has 2 pairs) to the beach and pool.  They are great for playing on the beach, be it running around, sitting in the sand playing,  swimming, or crawling up onto the tube.  They  are comfortable, easy to wash, modest, and protect from sun and exposure to sitting in sand.  We typically spend 5 or 6 hours on the beach and these dry quickly.
Date published: 2013-07-19
Rated 5 out of 5 by from Love the swim shorts. Quite durable and the size fits well. My daughter has sensory issues with clothing and these are a life saver. The only suit she will wear.
Date published: 2013-07-09
Rated 5 out of 5 by from Exactly what I have been looking for. I bought this a month ago and it is exactly what I was looking for in a modest swim shorts. My 13 year old daughter loves it.
Date published: 2013-05-15
Rated 1 out of 5 by from Awkward fit My daughter likes to wear swim shorts so thought these would be a good choice. They had an awkward fit and did not look good. We returned them. 
Date published: 2013-05-15
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