Karhu Women's Fusion 4.0 HiVo Running Shoe Headwear providing secure midfoot support and

providing secure midfoot support and plenty of stretch in the toe box for added comfort

stretch fabric that feels great against the skin

At the center of the shoe is our reformulated AeroFoam NITRO

a single injection that offers heightened performance attributes in a non-toxic

comfortable and loaded with stretchy elastane for perfect fit and maximum mobility

Karhu Women's Fusion 4.0 HiVo Running Shoe Headwear providing secure midfoot support andThe 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