100% Cotton Cotton fabric. Breathable, super absorbent, durable, machine washable. Adjustable, easy to adjust fit with posterior tie straps. Extra flap arrow in the back to protect your neck from sunburn. Breathable material absorbs sweat nicely and quickly dry, stops sweat from coming down into the eyes and keeps you cool in hot days . Can be used as a chemo cap, this bandana is excellent for hair loss, to conceal hair or to protect the head Perfect for daily use, cycling, hiking, running, motorcycling, biking, football, and any other situation