MEN'S MACH 6 Size:8 Glycerin GTS 21: The GTS

Glycerin GTS 21: The GTS 21 continues with DNA LOFT cushioning but uses an updated version

A full-length Pebax® Rnew Spike Plate with a nylon internal plate maximizes the rigidity-to-weight ratio

Polartec® Power Dry® brief liner: 89% polyester & 11% spandex

This perfected running short keeps you focused on training runs

The upper adapts well to the shape of the foot

MEN'S MACH 6 Size:8 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