Crafted from 100% polyester

this one will get you into any ball park

Featherlight Design: Weighing just 1

From 5K training to marathon prep

Its lambswool blend is soft to the touch and insulates well against the cold

Topo Athletic | MTN Racer 4 | Women's | Yellow/Green Color:Yellow/Green Crafted from 100% polyesterMORE COLORS The Topo Athletic MTN Racer 4 is your go to trail running shoe for high performance across any terrain. While the name may hint at race day speed, this versatile trail shoe goes well beyond racing. Designed for everything from daily miles to long runs and technical descents, the MTN Racer 4 delivers unmatched performance, agility, and comfort in rugged environments. At the core of this trail powerhouse is Topo's ZipFoam midsole, which