Karhu Women's Fusion 4.0 Running Shoe Long Sleeves With a slim weight of

With a slim weight of only 100 grams

reducing stress on feet

gels and bars

XS/S (139 g)

This upgraded foam provides increased rebound

Karhu Women's Fusion 4.0 Running Shoe Long Sleeves With a slim weight ofThe 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