Karhu Men’s Fusion 4.0 HiVo Size:9 Prepare to take on your

Prepare to take on your next race with confidence

Cushioned Trainer

flex grooves throughout the durable outsole design contribute to the shoe's smooth and agile ride

breathable

Karhu Men’s Fusion 4.0 HiVo Size:9 Prepare to take on yourThe men's 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