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

The soft fabric has a slim cut

with the fit further enhanced by the wide

a handy pocket for your keys

reflective front facing font

Sculpted by data to smooth transition

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