On Cloudultra 3 Trail Running Shoe | Women's

The Ultimate Partner for Your Longest Miles

Whether you’re tackling a multi-day fastpacking mission through the rugged backcountry of Kejimkujik or navigating the relentless, root-heavy technical stretches of the Cape Chignecto Coastal Trail, the Women's On Cloudultra 3 is built for the long haul. Designed specifically around the anatomy of the female foot, this iteration brings elite-level stability and comfort to the most demanding off-road environments. By combining maximum impact protection with an acute sense of ground feel, it is the definitive ultra-marathon partner for runners who refuse to compromise.

The secret to its high-mileage pedigree lies in the signature double-layer CloudTec® cushioning system paired with an evolved Helion™ superfoam. This dynamic combination keeps your legs fresh mile after mile while maintaining a highly responsive platform. When the distance inevitably causes your feet to swell, the clever forefoot FlipRelease™ tool allows you to instantly relieve pressure without stopping to untie your laces. Finished with a locked-in, two-layer sandwich upper and an aggressive Missiongrip™ outsole, the Cloudultra 3 dominates both wet granite and loose Maritime gravel with ease.

Key Features

Women’s Specific Last: Built with a narrower heel and an anatomical forefoot shape to ensure a highly secure, blister-free fit designed specifically for female runners.
Double CloudTec® Cushioning: Two stacked layers of Cloud elements work in tandem to provide maximum impact protection for long-distance runs while maintaining a responsive ride.
FlipRelease™ Tool: An innovative lace-adjustment mechanism on the forefoot that allows you to instantly "flip" the pressure off your feet when they swell late in a race.
Missiongrip™ Outsole: An updated rubber compound engineered with an aggressive lug pattern to provide elite-level traction on wet rock, slick roots, and loose dirt.
Helion™ Superfoam: A lightweight, highly temperature-resistant midsole foam that delivers massive energy return and stays dependably soft during chilly shoulder-season runs.
Two-Layer Sandwich Upper: A highly breathable, reinforced mesh construction that provides a secure, sock-like fit, keeping trail debris out while allowing moisture and heat to rapidly escape.

Best For

The Terrain: Technical singletrack, aggressive mountain passes, and mixed-surface off-road trails.
The Effort: Ultra-marathons, multi-day fastpacking trips, and maximum-distance trail training.
The Conditions: Unpredictable four-season elements, from slick, rain-soaked granite to loose, dusty summer trails.