Whether you’re winter’s number one fan (skiing, snowshoeing, skating) or just need a little extra something on chilly days, staying warm starts with a good base layer. This high-performance fabric* not only retains your body’s heat but actually generates heat by absorbing body moisture. It also wicks perspiration away from your skin. *Heat technology is guaranteed for approximately 30 washes. 94% polyester/6% spandex. Machine wash. Imported.