USC Trojan hats : Nike USC Trojans Dri-FIT Adjustable Performance Visor - Cardinal Unisex Perforated side panels for ventilation Hand wash, dry flat One size fits most ;Adjustable hook and loop fastener strap Material: 100% Polyester  Body; 65% Polyester/35% Cotton  Back of Front Panel; 91% Polyester/9% Spandex  Sweatband