Cycling, hiking, skiing, snowboarding Circumference: 20.8"-22.8",Hat Height: 5.5"
• The skull caps are multi-purpose, used as slouchy beanie or running beanie. Perfect under helmets ski, motorcycle bikes etc.
• The beanie is stretchable enough to stay on the head and keep hair flat. It's smooth, ultra-thin, and lightweight. For people (20.8-22.8 inch head)
• Ideal for :training, running, climbing, hiking, skiing, snowboarding, water sports, in fact any situation where you need to protect your head against sunburn.