Mid layer or only layer, our Therma-FIT Victory Vest keeps you comfortable with lightweight warmth from tee time to final putt. Stretchy material helps you fully power through your swing, and get the most out of your game. PRODUCT DETAILS: Nike Therma-FIT technology helps manage your body’s natural heat to help keep you warm in cold-weather conditions. Woven overlays on the upper back, shoulders and collar stretch so you can move freely. Brushed knit fabric has a soft, warm feel. Standard fit for a relaxed, easy feel Embroidered Swoosh 2- way, full-length zipper 100% polyester Machine wash Imported