Karhu Fusion 4.5 Men

The Karhu Fusion 4.5 is the ideal running shoe for your fast training sessions. This model performs best during tempo and interval training where speed and an energetic push-off are key. The shoe for your fast tempo and interval workouts!

Midsole

Karhu's AeroFoam is used to make the midsole of this shoe. This material is lighter, more resistant to temperature fluctuations, and more durable than traditional EVA foam. With the help of Fulcrum technology, the midsole propels forward through balanced cushioning and increased support. The propulsion plate will provide you with extra stability while running and also propels you forward.

Upper

The Fusion 4.5 features an Ideal Knit mesh upper. The upper feels comfortable and has high breathability. The upper features reflective details, so you can run safely even in the evening hours. The M-lock system ensures that the foot is securely locked in place.

Outsole

With a rubber outsole, the shoe provides good grip and traction while running. Order the Karhu Fusion 4.5 and give your tempo and interval training a quick boost within a few days!