This sporty cap keeps you covered and comfortable on the sidelines or during practice. it's made of smooth fabric that stretches to fit. the cap dries quickly and has perforated 3-stripes on the sides for ventilation. 93% Polyester, 3% Natural Latex Rubber, 2% Spandex, 2% Nylon Imported Hook and Loop closure Hand Wash Only Dries fast and keeps you cool. Perforated 3 stripes on the side for breathability. Durable poly spandex material helps to withstand the wear and tear. UPF 50 to inhibit harmful uv rays.