Mobile Warming Dual Power Heated 12 V Pants Mobile Warming Dual Power Heated Pants featuring integrated touch-button control on garment for easy temperature setting. Features: Durable 500D poly oxford shell Fixed insulated lining Equipped with Mobile Warming heating panels on back waist and knees Operated either by individual rechargeable Mobile Warming 12V 5.2Ah battery pack or vehicle's standard 12-Volt electrical system Antistatic Wind-Shark