Meet the Flame Base Layer: a baselayer with embedded heat zones and a unique intelligent heating system which allows you to select your desired temperature. It is constructed from a comfortable bamboo fabric and is fully washable. The Flame Base Layer has 3 heating elements integrated into its fabric, two in the front and one in the back. It keeps your torso warm and promotes blood circulation.
You can use this while biking, skiing, and even working outside. The base layer senses your body temperature and adjusts the heating level accordingly. Perfect for folks who absolutely hate the cold weather.