The medium MILWAUKEE REDLITHIUM USB heated gloves are engineered to survive the jobsite and outlast the elements, built for use both on and off the jobsite. GRIDIRON Ripstop polyester protects the heated work gloves from abrasion and tearing while the 100% leather palms and fingers allow for full deterity without sacrificing durability. The battery heated gloves offer up to 6 hours of continuous runtime, providing warmth in the extreme cold. Built in SMARTSWIPE index fingers allows touch screen use on devices like phones and tablet without removing your gloves.