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Helion™ superfoam midsole for comfort and soft landings
What are the benefits
Responsive and stable
Inside key hook for added security
a secure midfoot
Women's S1 (Black) Running Type_Trail Helion™ superfoam midsole for comfortThe S1 is our take on the everyday road trainer, engineered to meet the mileage demands of ultrarunners. Designed to excel on the longest training runs, it has been proven in training and competition the world over. With all the comfort and longevity you need, the S1 supports you through every step. ZeroSag midsole insert with little degradation during long runs LightCELL midsole base featuring excellent lightness and bounce GOFLOW midsole geometry to
