Designed with Polartec® fabric to keep your head warm on the coldest days on the bike, Polartec® main body fabric actively regulates heat to keep you warm and dry. Designed stay up when things are freezing and then disappear when you pull it down as things warm up. The Polartec® Neck Gaiter is an essential piece of cold riding gear for any trail rider. FEATURES Designed with Polartec® fabric to keep your head warm on the coldest days on the bike   Polartec® fabric actively regulates heat to keep you warm and dry    Designed to stay up during rough downhill and out of the way when you need to breathe hard during a climb