. 3M Thinsulate and a Hipora® liner ensure hands stay warm and dry while working in cold weather. The oil-resistant, dual-layer Zip Grip palm features a non-slip grip on top of a cotton palm for retaining grip even in slippery conditions. Work Gloves , TowGrip 201 Winter #5081 PR Flexible Thermoplastic Rubber (TPR) shields on the back of the glove add impact protection that bends with the fingers, and offers continuous protection from finger tips to metacarpals.