Saucony Endorphin Speed 5 - White/Crocus (Womens) Size:US 6 Caffeine has been shown to

Caffeine has been shown to promote alertness and reduce perceived effort and pain

known for its softness

Polyacrylamide

a mild warmth

Saucony Endorphin Speed 5 - White/Crocus (Womens) Size:US 6 Caffeine has been shown toThe Endorphin Speed 5 is a unisex shoe built to go fast and feel smooth whether you're pushing the pace on track night with friends or you're chasing a PR. A newly designed nylon plate and responsive PWRRUN PB cushioning come together for snappy transitions and a fast ride. This is speed you can count on. SPEEDROLL Advanced underfoot geometry, propelling you forward effortlessly. PWRRUN PB Sauconys premiere cushioning material. Made with pebbled PEBA