Stay Warm - Air Activated Heated Balaclava w/Two Warming Packs - EACH Keep your head and neck protected from the cold using this multiconfiguration balaclava. Wear it as a neck warmer, face mask, hood or hood with mask depending on the temperature and your needs. Soft durable, 100% poly-fleece with black cotton-poly elastic trim for snug fit, and built-in HEAT PAX Mini Warmer pockets. Colors: Black. Size: Adult. Include two (2) HEAT PAX Mini Warmers (5550) that deliver steady, comfortable heat for 8+ hours