Topo Athletic | Ultrafly 5 | Men's | Grey/Grey All On Running Wear water that stays colder

Wear water that stays colder longer with the BPA free insulated hydration bladder that features quick release hoses for convenient cleaning and a faster set up

and pairs great with everything

and foot swelling with the FS6® Performance Foot Sleeve

The Solstice ¼ Zip is perfect for those chilly runs where you’re looking for a heavier top to throw over your first layer

Topo Athletic | Ultrafly 5 | Men's | Grey/Grey All On Running Wear water that stays colderMORE 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,