The Seirus Heatwave™ Neck-Up Gaiter offers the ultimate cozy feeling. Engineered with the Seirus® exclusive, heat-reflective Heatwave™ fabric with an easy to use. Designed to amplify your neck heat to produce comfortable warmth when you wear it. The Seirus Heatwave™ Neck-Up Gaiter provides protection, warmth, and a cozy feel every day.