Ventilated instep channels enhance airflow without sacrificing support.

The 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 every stride.

Speed Engineered

New lightweight engineered mesh for an even more comfortable fit, perfect for fast-paced runs and daily wear.

Optimized Outsole

Reconfigured outsole with expanded coverage in the heel for greater durability during your quickest strides. Full-length groove enhances your gait cycle, giving you a smoother transition from foot strike to push-off.

Oleophobic treatments repel oil based substances from outer layers.