Built for speed on the toughest terrain, the Topo Athletic MTN Racer 4 is the trail shoe of choice for runners who refuse to compromise on performance. Designed for race day and long training runs alike, this updated edition brings responsive comfort, enhanced protection, and precision fit to demanding trails. A 33mm x 28mm stack height provides high cushioning while keeping your feet stable and close to the ground—ideal for aggressive descents, tricky switchbacks, and extended mileage.

The redesigned upper offers improved durability and breathability, contouring securely to your foot through every climb and scramble. Topo’s upgraded FKT insole increases rebound while promoting faster water drainage, keeping your stride light and your feet dry. The Vibram® Megagrip outsole delivers dependable traction on wet rock, loose dirt, or slick roots, giving you the confidence to move fast in any condition. Compatible with Topo’s Switchback Gaiter and outfitted with an improved debris-blocking attachment system, the MTN Racer 4 is your go-to shoe for technical trails, mountain races, and epic adventures.

Features

• High-performance trail running shoe built for race days, long-distance efforts, and fast technical runs

• 33mm heel / 28mm forefoot stack height offers protective cushioning without compromising agility or ground feel

• 5mm heel-to-toe drop supports a natural running stride with light structure

• Breathable, performance-tuned upper delivers a secure fit and durability over rugged terrain

• Updated FKT insole enhances rebound and improves water drainage for optimal comfort and performance

• Vibram® Megagrip outsole offers superior traction and grip on wet, dry, and uneven surfaces

• Improved gaiter attachment system helps block debris and integrates with the Topo Switchback Gaiter (sold separately)

• Lightweight build at just 10.4 oz (Men’s size 9) supports speed and endurance on demanding routes

• Neutral support platform allows your foot to move naturally while maintaining stability and control

• Ideal for trail racing, mountain running, and all-terrain exploration