Heat Holders - Men's Thermal Heat Weaver Knitted 2.3 Tog Winter Gloves Outer: 53% Polyester 47% Acrylic, Lining: 100% Polyester Washable Advanced Insulating Yarn - High performance insulation against cold with superior moisture wicking abilities. Heat Weaver Lining - Is a plush fur like thermal lining that maximizes the amount of warm air held close to the skin. Protective Cuff - Improves fit and provides a protective sleeve that hugs the wrist for extra warmth and comfort. 2.3 Tog rating - measures the thermal ability of a garment. Standard thermal glove is usually 0.89 Tog. Heat Holders - Best seller since 2010, providing a wide range of winter thermal products that we provide in the sock snob online amazon store