The Nike Air Legend Tiempo SG is a professional-level boot for the player who wants technology and craftsmanship in a kangaroo soccer boot. For use on soft, natural surfaces. Soft, all-over kangaroo leather upper with new contoured last and external heel counter to provide ultimate fit and comfort. Visible Zoom Air™ unit in the innersole board along with a hi-tech molded sockliner for in-shoe comfort. Innovated new outsole featuring glass fiber shank and toe for lightweight rigidity. Wt. 11.4 oz.