TechNiche Heat Pax Air Activated Heating Balaclava is designed to keep your head and neck warm during the cold, winter season to prevent them from freezing. It is made of 100% poly-fleece which provides warmth and protection to your head, plus it is soft and durable enough to provide both comfort and durability. It also has a black cotton-poly elastic trim for a more snug fit, along with a built-in Heat Pax Mini Warmer Pocket for the heat packs. It comes with one pair of air-activated Heat Pax Mini Hand Warmers which delivers up to 8 hours of heat. This multi-configuration head warmer can be adjusted according to your preference and the temperature; it can be worn as a face mask, neck warmer, hood or hood with mask. Perfect for track staff and racers. Available in black and adult size that fits all.