Men's Street Fashion Brimless Winter Skull Cap - Stay warm in this unique winter brimless skull cap (Pilots Cap) with Ear flaps and adjustable strap. 5 Colors (Men's Street Fashion Brimless Winter Skull Cap) Fashion Warm Cap. Material: 83.3% Polyester + 13.7% Viscose + 3% Spandex. Popular and modern winter warm skull cap. Size adjustable: 56-60 cm (22"-23.6"). Delivery: 14-24 days.