Experience the unique blend of comfort, responsiveness, and performance with the Women's Karhu Fusion 4.0.

The AeroFoam midsole, now nitrogen-infused, provides the right balance of cushion and responsiveness. The midsole has an increased rebound, with the addition of a deflection channel that helps to absorb impact. The IdealKnit upper has been updated for a more breathability and comfort. 

A shoe designed by women for women, the women's Fusion 4.0 encompasses HeraFit, a personalised women's construction of the circumference volume adjustment at the instep and forefoot.

Key Features

• Shortened Fulcrum Propulsion unit for an efficient stride.
• HeraFit: Adjustment to the circumference volume at the instep and forefoot for more personal women's fit.
• Nitrogen-infused AeroFoam: Increased rebound & responsiveness.

Step into the ultimate all-in-one shoe for a unique blend of comfort, responsiveness, and performance.