The ActionHeat Men's 5V Battery Heated Glove Liners deliver advanced warmth and comfort for any cold-weather activity. Designed to be worn under gloves or mittens, these thin, stretchy liners feature an extended gauntlet for full coverage and added insulation. Strategically placed heating elements along the fingers and thumbs provide consistent, circulating warmth throughout the entire hand. With touch-button control and three adjustable heat settings, these liners reach a maximum temperature of 150F and offer up to 5+ hours of continuous heat. Lightweight, moisture-wicking materials ensure comfort, flexibility, and versatility, making these glove liners ideal for outdoor sports, winter work, or everyday use.