Milwaukee Redlithium USB Heated Gloves are built for tradesman to use on and off the job. Focused on providing reinforcement in areas where other gloves fail, Gridiron Ripstop Polyester protects against abrasion and tearing while 100 percent leather palms and fingers add dexterity and extra durability. Powered by Redlithium USB, these gloves offer up to 6 hours of runtime, keeping users warm in extreme cold.