The Beast Men's Half Zip is designed to keep you super warm, dry and comfortable in the mountains, in the woods and any other place you look for challenges. Its smooth face makes it easy to layer and the heavy-duty sherpa interior will provide you with maximum warmth. Features: Strategically placed panels Extreme weight warmth and superior breathability Flat seam construction for comfort UPF rating 50+ Content: 100% Polyester Technology: Climasense Thermoregulation Technology Engineered to adjust to your body temperature Inhibits the growth of bacteria that causes odor Fast wicking and drying Terramar Men's Beast 4.0 Half Zip Pullover