Turned On™ battery powered technology, offering 3 levels of warmth, 3M Recycled Thinsulate™ EC150 back/ EC100 palm lining, goatskin leather palm and fingers, Taslon back, Hy+Dry barrier, battery pack, reinforced thumb saddle, snug-fitting shirred elastic wrist, extended gauntlet style cuff with drawstring closure. Size M–XL. *1.5 - 500mL recycled plastic bottle is used to make one pair of gloves