Mach X 2 Shoe Size:7 fitted heel cup eliminates bunching

fitted heel cup eliminates bunching and rubbing for blister protection

It helps prevent your foot from rolling too far inward

The BIRKENSTOCK Milano is the classic backstrap sandal

Rocker profile

plastic water bottles in every pair

Mach X 2 Shoe Size:7 fitted heel cup eliminates bunchingA propulsive speed training partner. Bolder than ever before, the Mach X 2 brings the heat to speedwork. Inspired by the Cielo X1s race ready geometry, we combined an extra resilient PEBA topped midsole and increased rocker profile for an aggressive toe off, then extended the Pebax plate design for enhanced support and propulsion. With an extra breathable and supportive woven upper and a sleeker collar, this speed trainer keeps things light, cool, and