- Fabric information; 100% Cotton twill. Special features; 5 panel design. Pre-curved peak. Sandwich peak and ventilation eyelets with contrast and tonal colour options. Hook and loop fastening at back. Easy to brand.Washing Instructions Handwash only. Do not bleach. Do not tumble dry. Do not iron. Do not dry clean. Wash dark colours separately. Do not store whilst damp. - - Fabric information; 100% Cotton twill. Special features; 5 panel design. Pre-curved peak. Sandwich peak and ventilation eyelets with contrast and tonal colour options. Hook and loop fastening at back. Easy to brand.Washing Instructions Handwash only. Do not bleach. Do not tumble dry. Do not iron. Do not dry clean. Wash dark colours separately. Do not store whilst damp.