Combat any cold climate with FNDN’s Liner Gloves with built-in mitts. Other heated gloves are simply not designed to fit under outer gloves. These next-to-skin liners are the thinnest and lightest weight heated liners that heat your hands in the most extreme weather climates. The addition of the built-in mitts is also designed for extra comfort and warmth.The Heated Skin-Fit Liner gloves are powered by FNDN’s proprietary Radiant Core Heat™ technology and USB rechargeable BEGO battery system. Small and lightweight, the battery is designed to provide sufficient power with minimal footprint possible.