Please reference Speedo’s New & Improved size chart for your optimal sizing. Keep in mind that our competitive suits are ULTRA COMPRESSIVE to reduce drag in water. If you prefer a more comfortable fit, please size up. Review Competitive Fit size chart before purchase; Swimmers wishing to achieve a looser fit are encouraged to choose a larger size. Compression for increased performance and faster recovery Fully lined. Sizing: Our competition swimsuits are engineered to fit tightly on the body in order to reduce drag, and will feel slightly looser in the water. Soft, subtle finish moves nicely with the body, Made of sleek Ecco ProLT fabric, which offers loads of durability and great shape retention for a full season of swimming and dual meets. New pro light fabric is perfect choice for occasional swimmers and water lovers