all MATERIAL COMPOSITION: Ex Pro is a durable, windproof, waterproof 3-season riding pant that keeps the rider warm and comfortable in cold weather. The battery heated pants boast genuine CORDURA 500 denier outer shell with rip-stop material in impact areas. FUNCTIONAL DESIGN: The heating pants have Knox CE approved armor at the knees in height adjustable pockets. The pants have direct ventilation on the thighs and super fabric panels on the knees. The heated apparel also features leather grip panels on the lower legs and calf zippers with Velcro closures. MICROWIRE SYSTEM: The heating apparel features four Microwire-powered heat zones two on the legs and two on the hips.