SERIOUSLY WARM. The Nike Therma-FIT Hoodie is more than just any regular sweatshirt. Soft fleece has insulating technology so you stay warm and cozy without extra bulk. This product is made with at least 50% recycled polyester fibers. Insulating Warmth: Nike Therma-FIT technology helps manage your body's natural heat to help keep you warm in cold-weather conditions. Pocket Love: A front pocket helps keep hands warm or holds belongings. Standard fit for a relaxed, easy feel. Hanger loop. This product is made with at least 50% recycled polyester fibers. 100% polyester. Machine wash.