With an external TPU heel counter and EVA medial post, Topo Athletic Men's Ultrafly 3 Shoe (M038) offers rear-foot stability and light pronation resistance. The cushioned 2-density ZipFoam midsole delivers more long-term resilience and a higher rebound compared to traditional EVA. The engineered mesh upper provides a seamless and breathable fit, while a molded foam collar and Ortholite footbed offer additional comfort. Ultrafly 3 is a perfect daily trainer for those seeking a moderately cushioned ride with light guidance.Shoes details:External TPU heel counterEVA medial postOffers rear-foot stability and light pronation resistanceThe cushioned 2-density ZipFoam midsole delivers more long-term resilience and a higher reboundThe engineered mesh upper provides a seamless and breathable fitA molded foam collar and Ortholite footbed offer additional comfort