Experience the unique blend of comfort, responsiveness, and performance with the 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.
Key Features
- Shortened Fulcrum Propulsion unit for an efficient stride.
- Nitrogen-infused AeroFoam: Increased rebound & responsiveness.
Step into the ultimate all-in-one shoe for a unique blend of comfort, responsiveness, and performance.
