Womens Endorphin Speed 5 - White/Multi M8 / W9.5 - pliable SOFTflat brim for

- pliable SOFTflat brim for easy packability

this synthetic-blend sock is lightweight and breathable for everyday miles

A secure zip back pocket with a loop for your keys

our advanced sensor will deliver reliable and accurate heart rate data for years

*naturally occurring in essential oil

Womens Endorphin Speed 5 - White/Multi M8 / W9.5 - pliable SOFTflat brim forThe Endorphin Speed 5 is 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 PWRRUN PB cushioning come together for a snappy transitions and a fast ride. This is speed you can count on. Inspired directly by the colors of Bostons transit system, this edition features bold, energetic color blocking. Features Snappy Ride: A full length semi rigid nylon plate