3M Thinsulate C100 lining with an additional layer of microfleece, Cutshield premium P-aramid/steel/polyester liner, Dryhide water and oil resistant full-grain goatskin leather, flame resistant heavy duty rubber on back of hand, fingers and wrist, stitched with Kevlar thread, drivers style with ergonomic inset thumb, snug-fitting shirred elastic wrist. Size XXSXXXL