Built for performance on technical terrain, the Topo Athletic MTN Racer 4 is a fan-favorite trail running shoe designed for both race day and daily training. Featuring a 33 x 28 mm platform, it delivers optimal cushioning and protection, providing a stable barrier between your feet and rugged trails. The updated upper is engineered for durability and precision on challenging surfaces, while the FKT insole enhances rebound and promotes faster water drainage for improved performance in wet conditions. Equipped with a VibramA(R) Megagrip outsole, the MTN Racer 4 ensures exceptional traction and durability, giving you confidence on even the most demanding trails. An improved gaiter attachment system helps keep debris out, making it the perfect choice for serious trail runners. Features: VibramA(R) Megagrip Outsole - Superior traction and durability on technical terrain 33 x 28 mm Platform - Cushioned protection with stable underfoot feel FKT Insole - Enhances rebound and allows faster water drainage Updated Performance Upper - Durable and optimized for rugged trails Gaiter Compatible Design - Improved attachment system to keep debris out Lightweight Trail Performance - Ideal for racing and daily training All-Terrain Versatility - Built for technical, uneven, and challenging trails