Features: Special edition white graphics Pro molded anatomical ankle support eliminates breakdown Pro comfort foams immediately form to the ankles eliminating break-in Felt tongue combined with full-coverage comfort foam and lightweight molded HD foam saddle lace-bite guard DuraTex charcoal liner provides durability and comfort Max Armour rugged pro-embossed package provides protection and durability F-I-T-System footbed provides excellent fit and comfort Low profile black overmolded silver outsole ensures solid boot interface RBK E-Blade Pro blade holder maximizes energy transfer and features easy runner attachment Proformance Stainless runner Thermo Heat Formable