Karhu Fusion 4 Men

The Fusion 4.0 is an all-rounder designed by Karhu for your daily run. With the Fusion 4.0 you have a perfect mix of comfort, support and durability. Take on your running challenge with the Fusion 4.0.

Midsole

The midsole of this shoe is made of AeroFoam. This material, patented by Karhu, is lighter, more resistant to extreme temperature changes and more durable than traditional EVA foam. Karhu's AeroFoam Trail is used to make the midsole of this shoe. This material is lighter, more resistant to temperature changes and more durable than traditional EVA foam. With the help of Fulcrum technology, the midsole propels forward by providing balanced cushioning and more support. The propulsion plate will give you extra stability while walking and the plate also propels you forward.

Upper

The Fusion 4.0 has an upper made of Ideal Knit mesh, a comfortable fit and great breathability. The M-lock system ensures good foot locking while maintaining flexibility.

Outsole

With a rubber outsole, the shoe provides good grip and traction while running. Order now and experience the versatility of the Karhu Fusion 4.0, delivered to your home within a few days!