100% Recycled Nylon

Center Back Length: 29

Plush faux fur collar for extra warmth

Estimated boot height 30

and a grip that inspires confidence

Topo Athletic ULTRAFLY 4 Road Running Shoes - Women's color-mud-squash 100% Recycled NylonThe best version yet of our fan favorite all purpose daily trainer has landed, now featuring even more comfort and more sustainable materials. The sleek and comfortable upper features a recycled engineered mesh and our signature roomy toe box. The ZipFoam midsole delivers lightweight resilience and response, while an external TPU heel counter and EVA medial post offer light guidance. The Topo Athletic Ultrafly 4 is perfect for those seeking light