60% Polyester/ 23% Propylene/ 17% Elastane Re-chargeable 7.4V Lithium-ion battery and wall charger included with purchase Revolutionary next-to-skin warmth and performanceWarmth with no bulk and total freedom of movement 6 Performance zones provide key muscle support and thermal regulation Undetectable carbon fiber heating elements across chest, kidneys, and base of neck distribute heat throughout Vest. The IconX Heated Core Pant delivers targeted heat exactly where your body needs it: across your lower back and the tops of your thighs. Cold can compromise both mental and physical performance, but these pants help you maintain core temperature during stalking or drawing to full release. Undetectable carbon-fiber heating elements provide constant, efficient warmth with three adjustable heat levels at the push of a button. The seamless construction and athletic fit allow unrestricted layering, while HydroWick™, Polygiene® StayFresh™, and OdorCrunch™ technologies keep you dry, fresh, and comfortable throughout your hunt. Stay warm and agile without bulky outer layers.Includes Powerpack Charger and Battery, a $55 value.