Mach 6 Shoe Size:8.5 It still has Flywire technology

It still has Flywire technology for support through the midfoot

LIGHTBOOST is our highest energy return cushioning system utilizing Boost

A midfoot saddle helps keep your foot contained and secure for lateral movement and landing

Provides more flush ground contact

Lightweight

Mach 6 Shoe Size:8.5 It still has Flywire technologyBehold our lightest, most responsive Mach to date. This lively trainer has been fine tuned for extra energy return with a super critical foam midsole and updated for enhanced durability with strategic rubber coverage in the outsole. Implementing speed focused design details throughout, weve enlisted a new creel jacquard upper with zonal breathability and an internal gusset to deliver the foot hugging comfort required to set your next PR. Product