This ski sweatshirt is one of the warmest under-layers in the collection of the brand, Craft. The top has an outer surface made of wool and polyamide and a lining of soft polyester. These materials provide thermal insulation of heat, which makes the top suitable for use during cold winter days. The material also provides a drainage of moisture, which keeps you feeling dry and fresh. Thus, with this top you will experience a pleasant warmth without getting too hot or too cold. Due to the ergonomic fit, you have optimum freedom of movement during skiing. This ski sweatshirt has a high collar and a zipper; opening the zipper allows you to cool off during warmer days, while the collar also protects you from cool winds during colder days.