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With one wide foot strap
Three valve adapters are included
a sustainable build that’s durable and can take years of everyday wear and tear
healthy hydration
with a durable water repellent (DWR) finish and 60-g Thermogreen® 100% recycled polyester insulation for wicking warmth
Ultrafly 6 - Women's Size:9.5 With one wide foot strapWe freshened it up from top to bottom to amplify the comfort and light stability thats been the foundation of Ultrafly from the start. With even more cushioning than its predecessor, we redesigned the medial post to now wrap the heel to ensure smooth stability throughout. The ZipFoam midsole continues to evolve, now providing an even more responsive ride. Additional rubber coverage on the outsole improves durability and traction, while optimizing the