NIKE MEN'S THERMA FULL-ZIP TRAINING VEST HOODIE ESSENTIAL TRAINING LAYER FOR WINTER. Ideal for working out in cold, wet weather, the Nike Therma Vest combines lightweight insulation with water resistance to help keep you warm and dry. An adjustable hood offers comfortable coverage when you need it. Stay Warm Nike Therma fabric works with lightweight insulation to help keep you warm and comfortable in the cold. Keep Dry Ripstop nylon resists the rain to help keep you dry when conditions are less than ideal. Cover Up The hood lets you cover your head from the elements. The drawcord adjusts to help keep the hood in place through intense activity. Product Details Standard fit for a relaxed, easy feel Zippered front pockets Lined with smooth woven fabric Full zip