Viking Noma 2.0 GWS Pro Style yellow 215-26-5121-6400 The Viking winter hat will provide comfort, warmth and protection in all conditions. The Windstopper membrane by Gore-tex Labs is responsible for protection against strong wind while maintaining breathability. The lightweight construction adapts to the shape of your head. The blend of Merino wool and polyacrylic is responsible for softness, durability and ventilation. Unisex. Technical data:· Outer material: 50% Merino wool, 50% polyacrylic· Membrane: Windstopper® by Gore-tex Labs 2L Liner· No lining· Very warm - guarantees high thermal comfort· Very light and comfortable Technologies used:· Windstopper® by Gore-Tex Labs· Merino wool