Nike Mens NRG TF Knit Jacket 'Blk/Wht'Black Jacket Striped ribbing on the collar, cuffs and hem add comfort along the edges, help seal in your warmth and hold the jacket in place while you move. Nike Therma FIT technology helps manage your bodys natural heat to help keep you warm in cold weather conditions. Reinforced 2 way, full zip design is durable and lets you adjust your fit and layer with ease. Zippered hand pockets give you a secure place to stash your things and warm your hands.