The Aheata 7V Battery Heated Balaclava is built for outdoor performance and cold-weather comfort. Its stretchy, snug fit traps natural heat while built-in heating panels on both ears warm your head in under 10 seconds. Powered by rechargeable 7V lithium-polymer batteries, it offers 3 adjustable heat levels and can reach up to 150degree(s)F with up to 10 hours of warmth. The touch-button control makes temperature adjustments simple, while 4 Led indicators show battery life. Made from soft, breathable fleece, it provides full head and neck coverage while allowing moisture to escape. The versatile design can be worn as a balaclava, hood, face mask, scarf, or even converted into a small bag. It features adjustable toggles for a custom fit and is machine washable on a gentle cycle. Lightweight and comfortable, it's ideal for skiing, snowboarding, hiking, camping, and other winter activities. One size fits most.