Karhu Men's Fusion 4.0 Running Shoe Recovery Additional features include MIZUNO ENERZY

Additional features include MIZUNO ENERZY foam for energy return

reflective front facing font

a handy pocket for your keys

the ACTIVE handheld makes drinking easier

it’s the perfect shoe for your daily runs

Karhu Men's Fusion 4.0 Running Shoe Recovery Additional features include MIZUNO ENERZYThe 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