W Topo MTN Racer 4 size-wxla A redesigned traction pattern underfoot

A redesigned traction pattern underfoot offers a smooth heel-to-toe transition

Featuring our exclusive cooling tech and a mesh stripe construction that increases airflow

ideal for those miles you want to feel fast

Innovation and progressive design come together in Saucon'ys most cushioned shoe ever

built on the foundation of a boxer brief compression liner

W Topo MTN Racer 4 size-wxla A redesigned traction pattern underfootA fan favorite for race day and daily training, the Topo Athletic MTN Racer 4 offers rugged performance on technical trails. A 33 x 28 mm platform delivers underfoot cushioning and a protective barrier between you and the ground. Our new upper is fine tuned for performance on technical terrain. The MTN Racer 4 now features our FKT insole, allowing for faster water drainage and added rebound, while our improved gaiter attachment system keeps out