Mens Endorphin Speed 5 - White/Multi Size-10.5 Angled seams on the back

Angled seams on the back feature Flopack™: a bonded slit with pop-color tape designed to enhance airflow

Fit Our Strato Tech fabric is our softest technical knit fabric

300mg sodium per tab

With a bottom layer of Helion™ foam for durability

Adaptive Fit: A flexible mesh upper stretches with your stride

Mens Endorphin Speed 5 - White/Multi Size-10.5 Angled seams on the backThe 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. Features Snappy Ride: A full length semi rigid nylon plate between two layers of responsive PWRRUN foam, giving you a perfect balance of propulsion and cushioning for