The Serius Thermax Headliner is lightweight, breathable contoured construction allows for maximum coverage of head, neck and face while still retaining full vision. Wear alone or under a helmet. Made of 1x1 rib Thermax(R) for excellent, lightweight warmth. Tucks securely into jacket collar. Features: Ultra-thin Thermax(R) wicking warmth 4-way stretch Seals out the cold
