The latest update to our trail running workhorse perfectly combines a fast and nimble ride with rugged protection

responsive step-in feel with quick water drainage

Strategically placed rubber on the outsole offers excellent durability and traction in high-abrasion areas

Please review our SIZE CHART below for full sizing details

while the rocker midsole design allows for a smooth and comfortable ride

MTN Racer 4 Magnifly 5 // Men The latest update to ourWOMENS A 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