- 100% Polyester
- Nike Hydrastrong: 53% Polyester - 47% PBT
- Interior drawcord for adjustability
- Front gusset for fit and comfort
- Internal front lining for modesty
- Flat seams and durable materials
-100% polyester lining -NIKE HYDRASTRONG FABRIC provides long-lasting durability, swim after swim INTERIOR DRAWCORD for comfort and adjustability FRONT GUSSET for fit and comfort FLAT SEAMS for reduced chafing P HEAT TRANSFER SWOOSH