Soft and bouncy, the Mach 4 running shoes from Hoka merges soft and lightweight foam with rubberised foam underneath, which produces a lively and energetic feel underfoot. Complete with a breathable mesh upper, this shoe also features a refined collar shape that alleviates pressure on the Achilles for a longer, faster run. Designed for racing Removable, EVA sock-liner Rubber EVA outsole for responsive cushioning and lightweight ground contact Engineered mesh for breathability Early stage Meta-Rocker for smooth ride Anatomical Achilles construction PROFLY™ midsole gives a cushioned landing and propulsive toe-off Heel drop: 5mm Weight: 192g Colour: Festival Fushia/Black; Size: 4.5, 5, 5.5, 6, 6.5, 7, 7.5, 8