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Glycerin GTS 21: The GTS 21 offers a slightly more refined ride
These features help provide a more energized toe-off with cloud-like softness underfoot
Best for: Competition | Race
Designed with high-performance fibers and moisture-wicking technology
WOMEN'S MACH 6 Size:7 Glycerin GTS 21: The GTSThe Rundown Your gateway to everyday speed. Behold 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
