Karhu Men's Fusion 4.0 Running Shoe Recovery Sculpted by data to smooth

Sculpted by data to smooth transition

thanks to a wider medial rubber segment stabilising late-stage pronation

Additional features include MIZUNO ENERZY foam for energy return

Something for Everyone - PACE 2 is jam packed with the sport modes you've been looking for

An all-round road runner offering exceptional fit and comfort

Karhu Men's Fusion 4.0 Running Shoe Recovery Sculpted by data to smoothThe KARHU Fusion 4. 0 provides a plush and propulsive ride ideal for the neutral runner. New additions and adjustments to the Fusion 4. 0 make this shoe exceptional at seamlessly accelerating the transition from heel to toe off, ensuring a responsive underfoot experience regardless of pace. This update utilizes soft IdealKnit mesh for improved breathability and comfort. Most notable is the incorporation of new nitrogen injected AeroFoam in the