Womens Saucony Endorphin Speed 4 Wave Inspire 21 While the new outsole made

While the new outsole made from AHAR-LO

The sockliner is produced with the solution dyeing process that reduces water usage by approx

it keeps you locked in with a rigid spike plate to maximize your straight-line velocity

and breathable

Arch band in the midfoot provides support

Womens Saucony Endorphin Speed 4 Wave Inspire 21 While the new outsole madeThe Saucony Endorphin Speed 4 continues to push boundaries, offering superior performance for tempo efforts and long runs alike. This iteration sees the return of popular features like Saucony Speedroll technology and a PWRRUN PB midsole, combined with updates from top to bottom to take your running experience to the next level! Starting from the top, you'll find a fully redesigned mesh upper design. This offers targeted ventilation points to maximise