These trustworthy Hvítanes thermal underwear are made from medium-weight Merino wool, and will guarantee you comfortable and pleasant warmth through Iceland’s freezing winters. Merino wool has a superior warmth-to-weight ratio and this base layer is made of one of the softest types of wool available. All seams of this piece of merino wool underwear are flat locked for exquisite comfort, and a half-zip is integrated at the front with a chin-guard covering the zipper slider. Our thermal long underwear for men is inspired by traditional Scandinavian design and form part of a complete thermal set (top and bottom), enabling you to dominate the cold.Made from 80% merino wool and 20% polyamide. Hvítanes Men´s Merino wool base layer