The race cap is a 100% silicone dome cap that provides a streamlined, competitive fit. It has a hyrodynamic fit and dual thickness construction for reduced drag, plus an internal structure that prevents wrinkling and keeps it in place. Features: - Exo-Core Technology: Combines two thicknesses of silicone for maximum performance - Internal dimpling and stabilizing ribs prevent movement and wrinkling and keeps the cap in place - Hydrodynamic 3D shape - Performance cut - Reusable hard case packaging - FINA approved - Designed in Italy - Latex-free