The Challenge trail running socks from UYN® are designed with structure

The super-lightweight ripstop fabric contains WIND

streamlined upper features a new engineered knit for softness

These are the latest range of lightweight running staples that help you push beyond your limits

5 hour battery life

Men's Altra Experience Wild 3+ Size:9 The Challenge trail running socksGet Wild with the Altra Experience Wild 3. A trail running shoe thats got Vibram grip and a lightweight feel, get ready to achieve trail running euphoria. Altra have taken the beloved Experience Wild 3 and added a Vibram Megagrip outsole with Traction Lug and an integrated toe bumper, designed for increased grip on all terrain. With the new Altra EGO P35 midsole foam, its a shoe made for a light & efficient ride. Its got a redesigned heel collar and