Max cushioning. Full speed. The Endorphin Shift 2 is the definition of effortless performance. It mixes a lofty bed of PWRRUN cushioning with propulsive SPEEDROLL Technology, so you get more out of each stride. And with its perfect touch of stability, you can count on lots of feel-good miles, every day of the week

SPEEDROLL Technology propels you forward effortlessly, so you can run faster, not harder

A generous bed of PWRRUN cushioning provides a plush yet springy ride, perfect for any day of the week

FORMFIT hugs the foot in 3D comfort and delivers our most personalized fit yet

XT-900 outsole with reinforced high-abrasion zones provides optimal traction and durability

APMA Certified - The American Podiatric Medical Association, APMA Seal of Approval/Acceptance Program recognizes products that have been found beneficial to foot health and of significant value when used in a consistently applied program of daily foot care and regular professional treatment.

*From the manufacturer's description