The Avert Heated Glove Liners contains micro-carbon fiber heating elements designed to warm the whole hands in cold weather. If you outer-glove fails to protect you from weather elements, no problem! These heated glove liners have water-resistant and windproof capabilities to keep your hand warm and dry and the winter cold out. With the durable softshell top layer and form-fitting flexible batteries, this heated glove liner can comfortable fit under most outer-gloves. Don't settle with normal glove liners to enhance your warming experience, Enjoy the best with Venture Heat's Avert Heated Glove Liners.