winter thickened cold proof mask outdoor cycling skiing warm and versatile ear flight hatDesign: Built for maximum protection, this hat combines a windproof outer shell with a thick, insulated interior to keep you warm during cycling, skiing, commuting, and other outdoor winter activities. Package Included: 1*Hat Composition: 100% Polyester Care Instruction: Clean with a damp cloth, not machine washable. Product Features: One size fits most head circumference: 21. 6" 23. 6" (55 cm 60 cm) Unisex style with various colors for your