Mens Endorphin Speed 5 Size:10.5 we've combined FLEXweave with our

we've combined FLEXweave with our COOLmatic | PLUS MIKRAmesh™ for accelerated cooling on the top and side panels for your inevitable high output long runs

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87% Recycled Polyester

With its lightweight textile upper

While the back features a highly-breathable mesh for refreshing airflow

Mens Endorphin Speed 5 Size:10.5 we've combined FLEXweave with ourThe 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