3M Thinsulate™ C100 lining with an additional layer of microfleece, Cutshield™ premium P-aramid/steel/polyester liner, DryhideTM water and oil resistant full-grain goatskin leather, flame resistant heavy duty rubber on back of hand, fingers and wrist, stitched with Kevlar® thread, one finger mitt style with wing thumb, gauntlet style cuff. Size M–XXL