- Size: One size • Unisex winter hat in black and gray, modern and versatile, suitable for daily looks. • One size fits most heads (52-60 cm), fitting comfortably without slipping. • Made of high-quality cotton material, soft to the touch and easy to wear. • Breathable and moisture-wicking, keeping you dry and cool during use. • Multifunctional use: skull cap, for sleeping, helmet insert, cycling cap, for running, etc. • Ideal for both men and women, relieving fatigue after a long day. • Suitable for indoor and outdoor use, perfect for spring, summer, fall, or mild winters. • Perfect gift for loved ones who exercise regularly. • Can be worn alone or under a helmet, eliminating unpleasant odors and itching. • Soft and flexible touch, ideal as a thoughtful gift for family and friends.