The Nike Free Trainer 1.3 Mid Winter training shoe is a hybrid of Free and TR 1.3 that provides ultimate containment natural motion and protection against the elements. DWR coated, full-grain leather upper with a Therma-FIT collar lining that provides warmth. Phylon midsole provides great cushioning while the natural motion free flex grooves allow for freedom of movement. ACG Free outsole gives rugged winter traction and comfort. Wt. 12.7 oz.