Mechanics gloves,tool gloves,work gloves: washable synthetic leather palm and index finger tips, comfortable and durablestretch spandex back ensures perfect fit. superior comfort neoprene knuckle adds dexterity and flexibility. Lycra panels between fingers allow free movement and stretch. containing Dupont Thinsulate insulation 40gram for maximum warmth. Ideal for all winter jobs. Straps stay closed, slick hook and loop fastener does not snag or collect debris