Ultrafly 6 Size:10.5 Our ZipFoam™ formula provides a

Our ZipFoam™ formula provides a soft step in feel

The 38 x 33 mm platform features a ZipFoam™ midsole for the perfect mix of cushioning

in our new max-cushioned trail runner

while our critically acclaimed Vibram® Megagrip outsole delivers superior traction on all surfaces

Ultrafly 6 Size:10.5 Our ZipFoam™ formula provides aWOMEN We 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