Karhu Men’s Fusion 4.0 HiVo Size:9 breathable

breathable

the midsole delivers a softer and more energetic ride than its predecessor

while the ultra-light EVA foam enhances shock absorption

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

Prepare to take on your next race with confidence

Karhu Men’s Fusion 4.0 HiVo Size:9 breathableThe 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