The Mach 5 takes its biggest leap forward, built on themes inspired by the Rocket X and Carbon X 2. Designed for logging long miles, this everyday trainer delivers a lively ride and energetic underfoot feel that is unquestionably HOKA. Adjustable Lace Closure 27MM Or 1.06 Inches Heel Height Removeable Insole Rubber Outsole Mesh Upper Wide Widths