Zhik's Aroshell® Winter Hat provides extra water-resistance, durability and comfort for technical sailing. A 3-layer waterproof Aroshell® outer provides excellent waterproofness. The black underside lowers the effects of glare on the eyes, while reflective Biomotion detailing helps you stay visible. Fully seam-sealed to be ultra waterproof. Insulated with warm Xeflex® lining.