CircleCELL is the first high performance midsole material to be made of 100% renewable feedstock, including recycled organic waste. Through our state-of-the-art supercritical foaming, CircleCELL offers PEBA-level energy return with almost double PEBA's running lifespan.

The H1 features a dual-zone upper. Across the top portion it is engineered with jacquard for adaptive fit and comfort, while on the lower part it is crafted with exceptional durability from high-performance woven fabric and reinforced with Kevlar aramid fibers that are five times stronger than steel.

VersaGrip is our proprietary outsole technology engineered to deliver exceptional traction, grip, and durability across all terrains. Designed for your longest journeys, it guarantees optimal performance on every surface you encounter.

The TUNEDFIT Dual Lacing System offers separately customizable fit for the forefoot and midfoot. Even if your feet swell in the pursuit of distance, you can still relax and enjoy the ride.