BRAND-NEW Men's Sz L (SLIM Fit) ESSENTIAL WARMTH FOR WINTER. The Nike Pro Therma Hoodie is a must-have for cold-weather workouts. This stretchy, lightweight layer has Nike Therma Sphere technology that holds in body heat to keep you warm. The built-in hood and snood give you more coverage. Sweat-Wicking ComfortNike Pro fabric provides a sweat-wicking layer of support to help you feel locked in and cool when the action heats up. Lightweight WarmthNike Therma Sphere fabric offers insulation