Karhu Men's Fusion 4.0 HiVo Running Shoe Baselayers Fabric: 50% Lenzing Modal

Fabric: 50% Lenzing Modal

PWRRUN foam provides more cushion

The MIZUNO ENERZY NXT at the top midsole ups the cushioning and energy return of the shoe

during and after any run

supported by the research carried out with our athletes

Karhu Men's Fusion 4.0 HiVo Running Shoe Baselayers Fabric: 50% Lenzing ModalThe KARHU Fusion 4. 0 HiVo 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