GuideRails™ support

ASICS' pinnacle high abrasion resistant rubber located in the heel area that is approximately three times more durable than standard outsole rubbers

lightweight black frame with a comfortable fit that prevents bouncing while you crush your workout

Stack Height: 33mm/37mm

PacerKnit fabric: 76% Recycled Polyester

Topo Athletic Men's MTN Race 4 Black/Yellow patagonia GuideRails™ supportM089 BLKYEL 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