The Nike Zoom HJ III is designed for the advanced and competitive high jump athlete who wants support in a lightweight package. Synthetic and mesh upper provides support without the added weight. Full-length Phylon™ midsole with carbon fiber shank adds support. Tapered midsole puts the foot in proper position at take off. Eleven lightweight, aluminum receptacles molded in a rigid full-length plate. Full-length rubber wrap offers traction on the apron. Includes 5/16" compression pins and a wrench. Wt. 11.8 oz.