MEN We freshened it up from top to bottom to amplify the comfort and light stability that's been the foundation of Ultrafly from the start

and breathable fit with added visual interest

Women The perfect entry level trail runner returns in a new package from the ground up

Connect offers a removable insole and a finished footbed

now with more cushioning and an exciting new look

MTN Racer 4 Ultrafly 5 // Men MEN We freshened it upWOMENS 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