For long trail runs, off-road training, ultra distances

Upper

Speedboard

Outsole

For the ultimate ultra-shoe, we’ve doubled up on Helion™ superfoam. Two layers of Clouds work in tandem to provide ultimate cushioning and long term comfort.

The all-new FlipRelease tool makes finding a more comfortable fit as easy as flicking a switch. Ideal for long distance running when feet can swell.

The two-layer sandwich mesh upper is durable and breathable. Along with the wrap-fit construction, perforated for superior climate-control, it fits like your favorite socks.

Connected Clouds keep stones out and are easy to clean. Missiongrip™ with three independent traction patterns let you master mixed terrain on and off the road.