ColdGear Infrared micro fleece uses a thermo-conductive coating on the inside that holds heat without adding bulk. Tech Touch print on thumbs & fingers allow you to use touch screen devices without taking your gloves off. AirVent panel over knuckles increases durability & ventilation. Suede panel over the palm for increased grip & durability. Extended wrist cuff increases coverage. Mini clips keep gloves together when not in use.