If you are looking for ultra-warmth, the Beast is for you! This half-zip top has a smooth face on the outside of the top for easy layering and brushed ultra-high pile sherpa fleece on the inside to trap air. Throw a waterproof shell over it and use it as a great layering piece or wear on its own as a standalone outer layer. Works great with the Beast Pant.Features    Thermoregulation Technology keep you warm and dry    Heavy-duty Sherpa inside for maximum warmth    UPF Rating 50+    All flat seam construction and rib gusset to prevent chafing    Zippered gadget pocket to keep items from moving aroundTechnology    Climasense fiber fusion is designed to regulate your optimal temperature    Thermoregulation technology provides comfort through a wide range of temperatures    UPF rated for sun protection    Odor Control neutralizes sweat and odor    Moisture Management moves moisture from the skin to keep you warm and dry