standing on your feet all day at work

with space for some notes in between

It delivers a lighter

Up to 10 days of battery life in smartwatch mode

Men's Saucony Endorphin Speed 5 Size:13 standing on your feet allThe Endorphin Speed 5 is built to go fast and feel smoothwhether 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. Snappy Ride: A full length semi rigid nylon plate between two layers of responsive PWRRUN PB foam, giving you a perfect balance of propulsion and cushioning for