Front panels - 100% cotton twill, mid and back panels - 100% nylon mesh. 6-panel adjustable snap back closure, mid profile, structured, pre-curved visor with 6 rows of contrast topstitching, tear-away label. Pigment dyed colors give the caps a vintage look. Shade variations are inherent in the pigment dye process. Comes with tear-away embroidery backing for easy decoration.