This heavier-weight top is a wonderful base layer in very cold weather or by itself in cool to cold conditions. Made from merino wool, it works with your body’s own heating and cooling system to keep your core temperature where you want it. Perfect for ski touring, mountaineering and backpacking adventures and for high output snowshoeing and nordic skiing.#Bikes, Kayaks, Clothing, and all your outdoor needs#Bikes, Kayaks, Clothing, and all your outdoor needs#This heavier-weight top is a wonderful base layer in very cold weather or by itself in cool to cold conditions. Made from merino wool, it works with your body’s own heating and cooling system to keep your core temperature where you want it. Perfect for ski touring, mountaineering and backpacking adventures and for high output snowshoeing and nordic skiing.#