The women’s Åkle Half Zip by Kari Traa is a superfine 100% merino wool base layer in a Nordic-inspired weave, perfect for cold winter activities. It features two-weights of merino wool fabric, making it soft, breathable, and naturally odor-resistant. Merino fibers also deliver supreme warmth when both dry and damp. This Åkle top features a half zip neck for improved air flow and temperature regulation.