Built for both race day and daily trail training, the Topo Athletic MTN Racer 4 delivers rugged performance on technical terrain. A 33 x 28 mm platform offers cushioned support and ground protection, while the updated upper is engineered for enhanced fit and stability. The MTN Racer 4 features the FKT insole for improved water drainage and added rebound, along with an upgraded gaiter attachment system to keep debris out. Finished with a Vibram Megagrip outsole, this trail runner provides dependable traction and durability in challenging conditions.