Topo MTN Racer 4

The Topo MTN Racer 4 is a high-cushion trail runner built for moving confidently and efficiently through technical terrain. It blends Topo’s signature anatomical fit—roomy up front with a locked-in heel and midfoot—with a responsive, protective ride that stays stable when trails get rocky and uneven. This fourth version refines the upper for a more secure performance feel, while keeping the familiar underfoot formula that works equally well for daily trail miles, long adventures, and faster efforts when the route turns steep.

Highlights

• ZipFoam midsole delivers a balanced mix of cushioning, protection, and quick rebound on rugged trails
• Vibram Megagrip outsole provides reliable bite and durability across wet rock, loose dirt, and hardpack
• FKT insole uses closed-cell, beaded foam for added step-in bounce and faster water drainage in wet conditions
• Updated engineered mesh upper improves structure and hold for more confidence on technical footing
• Refined heel collar and midfoot shaping enhance lockdown while helping reduce Achilles irritation
• Anatomical toe box allows natural toe splay for comfort over long descents and high-mile days
• Improved gaiter attachment system keeps debris out and pairs with Topo’s Switchback Gaiter compatibility