Flexfit 6533 - Ultrafiber Cap with Air Mesh Sides 44% Polyester/42% Nylon/7% Cotton/7% Spandex Imported 84% nylon, 14% cotton, 2% spandex 6-panel, structured, mid-profile Air mesh sides and back; 3 1/2" crown Eight-row stitching on bill; Permacurv visor Soft buckram backed front panels; sewn eyelets