Glycerin 21 Shoe Size:6.5 Adjustable strap with tonal pin

Adjustable strap with tonal pin buckle

breathable fabric to help you stay cool when your workout heats up

The lovechild of Mach 4 and Mach Supersonic

Laser-cut ventilation helps you keep a cool head

Superfeet All-Purpose Memory Foam Support insoles will give you the most flexible and accommodating shape and support

Glycerin 21 Shoe Size:6.5 Adjustable strap with tonal pinIf you're looking for supreme softness and ultimate comfort, the women's neutral Glycerin 21 running shoe provides an ultra plush ride thanks to even more soft DNA LOFT v3 cushioning than before, plus a new, more streamlined upper that delivers structure and breathability. Best for Supreme softness Comfortable fit Smooth and stable transitions Road running Product Details: Supreme softness Improved fit Smooth, stable transitions Super softness with