Sparkling Earth Headwear & Accessories Skull Caps (skullcap, headwraps, do rags, doo rags, head wraps) are made with comfortable, durable, breathable, washable and 100% cotton fabric. Skull Caps tie in the back and have a super absorbent terrycloth sweatband that makes them comfortable to wear all day. These skull caps are great for construction workers, road warriors, underneath your helmet, at the beach, at the gym, or anywhere. They also provide great head cover for hair loss due to chemotherapy, alopecia hair loss, and more. Sparkling Earth Headwear & Accessories Skull Caps are proudly designed & made in the USA.