Ergodyne ProFlex 817WP strengthened caloric waterproofed Winter Work Gloves are insulated with 3M Thinsulate Insulation for intense protection in frosty conditions. The waterproofed and breathable membrane insert a unequaled layer which blocks wet and wind to keep hands warm and desiccated when working in snow. sturdy reinforced palm the eventual in specialized frosty weather hand protection. flexible for frosty weather work, frosty storage/refrigeration, freezer work, construction, mining, service techs, hunting/fishing, out-of-door recreation .