ULTRAFLY 3

Ultrafly 3 has a brand new external heel reinforcement in TPU to give the foot a light guidance and give you support against pronation. ZipFoam is an amazing material that doesn't compress as much as regular EVA - giving you better energy transfer and a lighter stride.

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SKILLNADEN MED TOPO

Fit is the Topo difference. Ultrafly 3 has a roomy toe box and a secure fit through the midfoot and heel. The shoe has a 5 mm drop. The image shows the three parts.