Layer Up: New Balance Impact Run Half Zip Heat Grid Pullover Going somewhere? This New Balance Impact Run Half Zip Heat Grid Pullover ($90) is perfect for any outdoor workout. Made with a special heat grid fabric, this layer will keep you warm all while wicking away sweat. (Plus, there's a zippered pocket for keys, cash, or cards.) Image Source: nordstrom.com New Balance Impact Run Half Zip Heat Grid Pullover $90 from nordstrom.com Buy Now