The women's KARHU Fusion 4.0 HiVo is designed to enhance your running experience and keep you moving forward effortlessly.
This model is a supreme option for runners looking for the best neutral running shoes that also provide the performance of fast running shoes. The revamped Fusion 4.0 offers a plush, propulsive ride that’s perfect for neutral runners.

The latest updates and enhancements make the KARHU Fusion 4.0 exceptional at smoothly transitioning from heel to toe-off, delivering a responsive feel underfoot no matter your pace. Featuring soft IdealKnit mesh, this update improves breathability and comfort. The standout feature is the integration of nitrogen-injected AeroFoam in the midsole, which boosts energy return and includes a deflection channel at the base to absorb impact and offer a more cushioned experience.

The KARHU Fusion 4.0 provides an all-in-one solution for runners seeking an ideal mix of comfort, performance, and responsiveness. At KARHU, we understand that every runner’s feet are unique, and this philosophy guided the development of the latest Fusion 4.0.

The HiVo version goes beyond the typical "wide fit running shoe," accommodating runners with higher insteps, broader girths, flat arches, and generally larger feet. The KARHU Fusion is built on an ever-expanding database of over 4 million 3D foot scans, ensuring a design that fits and performs like no other.

Technologies Karhu Fusion 4.0 HiVo
-Fulcrum + Propulsion Unit
-IdealKnit
-Ortix Fit
-Nitrogen-infused AeroFoam midsole
-M-Lock lacing system

Weight US8: 250g / 8.8 oz
Heel-to-toe drop: 6mm

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The women's KARHU Fusion 4.0 HiVo Sea Foam / Excalibur 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 midsole. This upgraded foam provides increased rebound, while the addition of a deflection channel at the bottom of the midsole helps absorb impact and provides a more cushioned experience. The HiVo version is more than just a "wide" as it also accounts for feet with higher insteps, greater instep girths, flat, and all-around larger-than-average feet.

The KARHU Fusion 4.0 is the ultimate all-in-one shoe for runners seeking a unique blend of comfort, responsiveness, and performance.

Details Karhu Fusion 4.0 HiVo
-Shortened Fulcrum + Propulsion unit for an efficient stride
-Nitrogen-infused AeroFoam midsole
-Updated IdealKnit mesh construction with improved breathability
-M-Lock lacing construction ensures a secure midfoot"

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The women's KARHU Fusion 4.0 is a highly responsive, cushioned running shoe for neutral-footed runners. It is sure to elevate your run and propel you forward.

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Size 9 - Running

Size 9 - Running

WOMEN'S FUSION 4.0 HIVO

SEA FOAM / EXCALIBUR