Men's MTN Racer 4 (Black/Yellow) Size:12 Altra's softest and most responsive

Altra's softest and most responsive FWD VIA yet

Plenty of pockets let you bring your essentials along for your miles

They're uniquely customizable to fit your feet perfectly

As a finishing touch

Men's MTN Racer 4 (Black/Yellow) Size:12 Altra's softest and most responsiveA performance tuned, high cushion trail runner built for fast and long runs on technical terrain. The 33 x 28 mm stack height offers generous cushioning and protection underfoot, while the ZipFoam midsole provides a lightweight and responsive ride. The upper features a snug fit throughout for extra security on technical trails. The Vibram Megagrip outsole offers superior traction and slip resistance on all terrain. Our specialty FKT insole delivers a