Material: Made of polyester. Cool smooth and sensitive scalp cool in summer and warm in winter. UV protection, ventilation breathable and stretchy, quick-dry, keep your head cool, dry, and comfortable. Easy to wear: This pirate cap stretches easily, with adjustable straps, you can tie this sweat beanie only as tight as you are comfortable with. It is suitable for men and women. One size fits most people. Extra-long tail, and wide headwraps for extra hold and compression, and the covered edge design make the beanie durag firm & fashionable. This hat can be wear on the sensitive scalp of someone who had lost hair due to medical treatment. Because it won't itch or scratch, it will be great head wrap. Suit for Sports cycling training, running, motorcycle, climbing, hiking, skiing, snowboarding, etc.