Built to go the distance, the ON Cloudboom Max pairs max cushioning with effortless speed so you can hit your goal pace and hold it to the line. A double layer of Helion™ HF hyper foam delivers soft landings with high energy return, while a glass-fiber Speedboard® smooths your stride for efficient push-offs. The featherlight mesh upper molds to your foot as miles stack up, and a grippy rubber outsole keeps you confident on the road.

Features:

Double layer Helion™ HF hyper foam for impact protection and rebound
Glass fiber–infused Speedboard® to enhance efficiency and support a variety of running styles
Ultralight, breathable upper that adapts to your foot over long distances
Heel cushioning and secure fit for lasting comfort in late miles
Durable rubber outsole for confident road grip
Engineered for marathon finishing times of ~4 hours or more

Materials:

Upper: Ultralight breathable mesh
Midsole: Dual-layer Helion™ HF hyper foam
Plate: Glass fiber–infused Speedboard®
Outsole: High-abrasion rubber

For the best fit, we advise customers to avail of our detailed gait analysis service.

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ON Speed Shoes