Flexfit Adult 360 Omnimesh Cap 99% polyester, 1% PU spandex; Flexfit the one and only original®; the first all-around mesh cap for maximized breathability; the original Flexfit® technology; 6-panel, mid profile, unstructured, double layered mesh front panels ; closed back. stretch fitted; permacurv® visor; silver undervisor, 8-row stitching on visor;