Lightweight, low-profile, and built for comfort. The Backcountry Heated Vest delivers instant warmth with three heat zones and a PrimaLoftA(R) synthetic down core wrapped in a durable nylon shell. The Zapsheer(TM) anti-static inner liner adds a smooth, comfortable fit, while zippered hand pockets and internal storage offer everyday functionality. Whether layered under a jacket or worn on its own, it&';s the perfect go-to for staying warm on the move.