Only worn once. EXCELLENT, like new condition! Fits like a true 8. Prompt shipping. From the website: The Rundown Learn to Fly. Everyday. 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. BEST FOR: Everyday Run Race 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 WHAT'S NEW A little more “oomph” in both performance and ride.