Merino wool technology: natural and comfortable. Lightest version of the Merino Wool hat: Right balance on fresh days. Enjoy comfort in style. Made from natural mulesing free Merino wool. 100% sustainable eco fabrics for maximum comfort, warmth and thermo regulation properties. Built of one Merino Wool layer and 125 gr/m² total density. Weave type: plain Sport type: outdoor. Elastic fabric that moves in all directions for improved comfort and freedom of movement. High thermal insulation in a lightweight, breathable fabric, providing warmth without bulk for high intensity activities in very cold weather. Made from 1 recycled plastic bottle. PrimaLoft