Gobi Heat Men's Basecamp Heated Base Layer Pants - By combining lightweight and flexible material with conductive thread heating elements, Basecamp focuses on the large muscle groups in the legs to provide the most warmth. Two heat zones in the thighs, and in the glutes. Keep your legs warm this winter. Heat zones locatied at the thighs and glutes Low, medium and high heat settings Up to 8hrs battery life (when on low setting) Flexible polyester/spandex blend Machine washable Battery can double as a power bank for mobile phone Style: BCP2