Stable, cushioned and built to offer a smooth, robust ride in the longest trail races, the M1 is optimized for the mountains. It features our next-gen JETCELL midsole to deliver unmatched energy return, and a full-coverage outsole with a trio of Vibram technologies for predictable grip in extreme situations.
Weight : 275g
Drop : 4mm
Stack Height : Heel 38mm, Forefoot 34mm
Activity : Trail Running
Best for : Long-distance trail races
Upper : TPEE-blended yarns
Key Features
Hit the Jets
By applying a state-of-the-art supercritical foam process to automotive grade materials, we engineered JETCELL. The resulting midsole delivers our highest-ever energy return while boasting consistent performance and twice the structural strength of standard PEBA foams, resisting tearing and degradation from the fist mile to the last.
Tuned for Chaos
The M1 upper is made with TPEE-blended yarns that provide the robustness and stability you need for the longest, roughest races, while drying fast and offering excellent breathability. We know feet change shape over extreme distances, so our TUNEDFIT Dual Lacing System offers independent, customizable fit for the forefoot and midfoot, and a reinforced toe box protects your feet when fatigue sets in.
Vibram’s Finest
M1’s outsole features a trio of Vibram innovations: full-coverage Megagrip rubber for tenacious tractions in any conditions, Litebase for 30% less weight without compromising performance, and Traction Lug mico-features for up to 25% more grip.
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