Finding the right athletic swimwear for girls is crucial for comfort and performance during sports activities. Proper fit and material can prevent distractions and chafing, allowing young athletes to focus on their training and competitions. Investing in quality swimwear ensures durability and support for regular use.
- Compressive body-hugging fit; recommended to size up
- RECYCLED FABRIC
- CHLORINE RESISTANT
- BLOCK THE BURN UPF 50+
- PILLING RESISTANT
- Ultra compressive fit designed for performance racing; recommended to size up for casual swimmers
- Block the Burn: UPF 50+ protection blocks up to 98% of the sun’s harmful rays
- Superior Chlorine Resistant Creora Highclo Spandex
- No Wedgie Worries for stay put coverage
- Pilling resistant fabric
- MADE FROM PART RECYCLED MATERIALS
- CHLORINE AND PILLING RESISTANT FABRIC
- BLOCK THE BURN UPF 50+
- FULLY LINED
- PREMIUM DURABILITY: Constructed with Durafast Lite fabric that holds up to hours of practice, this girls' sport bathing suit is cut for a sleek, active silhouette with comfort and performance features
- IDEAL FOR YOUNG ATHLETES: This girls' training and racing suit features thick, supportive straps, a supportive power mesh lining, and a design made for unrestricted, 360-degree range of motion
- SUN PROTECTION: Boasting UPF 50+ sun protection, this girls' one-piece swimsuit is built for comfortable performance and protection in both outdoor and indoor environments
- SIZING: See size chart image on the left for correct sizing. Our girls' swimsuits are designed for competitive swimming and are tight fitting. They should feel especially snug when you first try them on. Ordering a size up is suggested
- SINCE 1985: Since its inception, TYR has become one of the world’s most recognizable swimming and fitness brands. TYR, Always in Front
- Ultra compressive fit designed for performance racing; recommended to size up for casual swimmers
- Creora Highclo Spandex: Superior chlorine resistance fabric
- Sporty back style keeps straps in place
- No Wedgie Worries for stay put coverage
- Breathable mesh side insets
- MADE FROM PART RECYCLED MATERIALS
- CHLORINE AND PILLING RESISTANT FABRIC
- BLOCK THE BURN UPF 50+
- FULLY LINED
- Compressive body-hugging fit; recommended to size up
- RECYCLED FABRIC
- CHLORINE RESISTANT
- BLOCK THE BURN UPF 50+
- PILLING RESISTANT
- PREMIUM DURABILITY: Constructed with Durafast Lite fabric that holds up to hours of practice, this girls' sport bathing suit is cut for a sleek, active silhouette with comfort and performance features
- IDEAL FOR YOUNG ATHLETES: This girls' training and racing suit features thick, supportive straps, a supportive power mesh lining, and a design made for unrestricted, 360-degree range of motion
- SUN PROTECTION: Boasting UPF 50+ sun protection, this girls' one-piece swimsuit is built for comfortable performance and protection in both outdoor and indoor environments
- SIZING: See size chart image on the left for correct sizing. Our girls' swimsuits are designed for competitive swimming and are tight fitting. They should feel especially snug when you first try them on. Ordering a size up is suggested
- SINCE 1985: Since its inception, TYR has become one of the world’s most recognizable swimming and fitness brands. TYR, Always in Front
- High Quality Fabric:Made of high-elasticity nylon fabric, our girls' swimsuit offers UPF sun protection, quick-drying performance, and a skin-friendly feel for all-day comfort.
- Thoughtful Design:Features reinforced straps to reduce shoulder pressure and a crisscross back design to prevent slipping during active play, ensuring security and freedom of movement.
- Perfect Fit for Ages 8-16:Girls one piece swimsuits designed for aged 8-16. For the best fit, please refer to the detailed size chart before ordering.
- Versatile for Any Water Activity:BELR ROY girls athletic swimming suit Ideal for swimming lessons, beach vacations, pool parties, water park adventures, or competitive training—ready for fun in any aquatic setting!
- Easy Care:Machine washable or hand washable. Avoid ironing to preserve the fabric’s elasticity and vibrant colors.
- Girls one piece swimsuits made of PROFESSIONAL SWIMSUIT FABRIC, offering a long-lasting wear and comfortable wearing experience
- Girls swimsuits size 11-16 featuring thin REMOVABLE CHEST PADS, perfectly fit your body. Size 7-10 have NO chest pads, but the swimsuit with double-layer design, completely without perspective
- RACERBACK sport swimwear with WIDE STRAPS ensure good support and shoulder flexibility while swimming
- Girls athletic swimsuits in KNEE LENGTH style with skin-friendly FULL LINING provides moderate coverage and protection
- Quick-drying kneeskin swimsuit is ideal for training, swimming, racing, surfing, snorkeling and other water sports
This article is part of our complete guide Running & Training — browse all our comparisons and buying guides.
Last update on 2026-09-01 / Affiliate links / Images from Amazon Product Advertising API
How to Choose the Best Girls’ Athletic Swimwear
Key Factors for Girls' Athletic Swimwear
- Material and Durability: Look for swimwear made from chlorine-resistant fabrics like polyester or nylon blends. These materials offer better longevity in pools and withstand frequent washing. The fabric should also be quick-drying to prevent discomfort after swimming sessions.
- Fit and Comfort: Ensure the swimwear provides a snug yet comfortable fit. It should stay in place during active movements without being too tight or restrictive. Check for flat seams and tagless designs to minimize irritation and chafing.
- Design and Coverage: Athletic styles often feature racerback or crossback designs for enhanced support and freedom of movement. Consider the level of coverage required for the specific sport, opting for styles that offer appropriate support and minimize drag.