Karhu Men's Fusion 4.0 Running Shoe Recovery The soft fabric has a

The soft fabric has a slim cut

reflective front facing font

An all-round road runner offering exceptional fit and comfort

it’s the perfect shoe for your daily runs

Karhu Men's Fusion 4.0 Running Shoe Recovery The soft fabric has aThe 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