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version ii of this model is crafted for the ultra racing and long-distance training scene, featuring outstanding cushioning that utilizes the revolutionary infinitoo™ high energy return technology. the updated upper materials are eco-friendly and the new heel and tongue designs provide excellent gri..

version ii of this model is tailored for ultra races and long-distance training, boasting outstanding cushioning thanks to the innovative Infinitoo™ technology that provides high energy return. it features new eco-friendly materials in the upper construction, along with redesigned heel and tongue th..