The lovechild of Mach 4 and Mach Supersonic, this lively pavement pounder is built for performance and ready to race. Sporting a stripped back creel mesh upper and lay-flat tongue, the new Mach 5 delivers a snappier ride with PROFLY's stacked midsole setup, offering a lightweight, responsive foam directly underfoot and rubberized EVA below. | Features. Creel jacquard engineered mesh. Lightweight, resilient foam. ProFly+ construction. Molded EVA sockliner. Rubberized EVA outsole. Vegan. Lay-flat gusseted tongue. Articulated heel collar. 52% recycled polyester mesh upper. Laces with 70% recycled nylon and 30% recycled polyester. 100% recycled polyester sockliner top cloth. RN 88276