Versatile, comfortable, effective – the Kyanite is the one you grab for climbs, ski days, cold hikes, and to cut the chill when you roll out of your sleeping bag. The Polartec® Power Stretch® Pro has a nylon face for abrasion resistance and four-way stretch for freedom of movement. Inside, it’s brushed for thermal efficiency and outstanding softness. The relaxed fit delivers unrestricted comfort. Midlayer or standalone, this is an easy choice for mountain adventure.