Fusion 4.0 women

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Technical specifications

Category: Optimal cushioning
Offset: 6 mm
Weight: 250 g
Ideal for : runners looking for a shoe with good cushioning and excellent stability, with a smooth transition, for medium to long runs.
Athlete’s weight : 75-85 kg
Running pace : medium (5.00-6.00 min/km)
Specification guide

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The men’s KARHU Fusion 4.0 offers a smooth, propulsive ride ideal for neutral runners. New additions and adjustments made to the Fusion 4.0 make this shoe exceptional at seamlessly accelerating the transition from heel to toe, ensuring a responsive underfoot experience regardless of pace.

This update uses the soft IdealKnit mesh for improved breathability and comfort. Most importantly, it incorporates new nitrogen-injected AeroFoam foam into the midsole. This updated foam offers increased rebound, while the addition of a deflection channel at the bottom of the midsole helps absorb impacts and provide a more cushioned experience.

The KARHU Fusion 4.0 is the ultimate all-in-one shoe for runners seeking a unique blend of comfort, responsiveness and performance.

Features:

• Propulsion unit + Fulcrum
• IdealKnit
• Ortix Fit
• AeroFoam midsole with nitrogen injection
• M-Lock lacing system

TECHNOLOGY

KARHU Fulcrum technology is designed to keep all forces forward, reducing braking forces and using your body’s natural energy to create a smoother ride. It’s what we call the Rolling Effect. Fulcrum technology provides: balanced cushioning, more support, more energy. The Fusion features a three-quarter-length fulcrum.