Behind the casual look of the Unstructured Tech Flexfit hides real performance talent. The tightly woven outer fabric is weatherproof and a real looker with its silky, slightly shiny surface. The patented Flexfit technology with sewn-in sweatband ensures perfect wearing comfort ? a cap for all occasions.Shell Fabric 1: 97% Polyester 3% Elastane, P HI-MULTI TWILL W/R Elasthan