The forefoot flexibility point is strategically placed to align with the natural bending of the foot, running shoe insoles for flat feet.

The Rundown
A propulsive speed training partner.

Who doesnt want to go Mach speed? Our thoughts, exactly. A plated daily trainer that brings the heat to speedwork, our Mach X 3 is the perfect addition to your running arsenal. Built for up-tempo training miles with an extra-resilient PEBA-topped midsole and snappy Pebax plate, weve refined the collar and implemented a breathable woven upper to keep things light, cool, and fast for those next-level efforts.

Best For:
Everyday Run
Features:
Warp knit upper
Dual-density midsole with PEBA top layer
Pebax plate
Speed-centric MetaRocker
Compression molded sticky rubber
WHAT'S NEW

Weve added a softer tongue, more breathable upper, and refined the collar.

Guides you toward a design that aligns with your weekly mileage and running goals, best running shoes for marathons.