Topo Athletic | Ultrafly 5 | Men's | Dark Grey/Grey Running 1/2 Zip designed for ultimate comfort and

designed for ultimate comfort and performance on every journey

Its medium-weight insulation makes it ideal as a standalone vest during cool fall days or as a mid-layer under a jacket when temperatures drop

Two side pockets with snap button

Luxe Italian performance fabric

Molded heel collar & webbing ghillie integrated lacing

Topo Athletic | Ultrafly 5 | Men's | Dark Grey/Grey Running 1/2 Zip designed for ultimate comfort andMORE COLORS Introducing the Topo Ultrafly 5 your ultimate daily running companion designed for comfort and light pronation support. With a spacious toe box and a natural ride, this latest version features an updated ZipFoam midsole that is softer, lighter, and more responsive. The increased stack height, now with an additional 2mm of foam, enhances cushioning without adding extra weight. The dual density midsole, equipped with a built in medial post,