Karhu Men's Fusion 4.0 Running Shoe Womens Neutral Shoes Flex-Divider separates contents

Flex-Divider separates contents

while the ISOFIT upper adapts to the movement of your foot for a more dynamic fit and natural feel

The Supernova Rise is designed to keep you comfy mile after mile

Product information

Karhu Men's Fusion 4.0 Running Shoe Womens Neutral Shoes Flex-Divider separates contentsThe 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