Karhu say: The Fusion Ortix 2021 functions as a high cushion daily trainer with added forefoot protection, a shortened fulcrum, and the addition of a propulsion unit. The midsole combination of the fulcrum and propulsion unit gives the Fusion a plush and energetic ride with a fast transition.

The Fusion works for the neutral of runner ranging from the recreational fitness enthusiast to the performance-driven athlete putting in serious weekly mileage. The Fusion offers a plush yet propulsive ride with a fast turnover.

WE RECOMMEND BUYING 1/2 SIZE HIGHER THAN YOUR USUAL SIZE

READ OUR REVIEW

WIDE VERSION AVAILABLE (Search HiVo)For 2021, KARHU introduces the Fusion HiVo option! The High Volume version is more than just a wide as it accounts for feet with higher insteps, greater instep girths, flat, and all-around larger-than-average feet. Using the aggregate scan data supplied from retail partners, Karhu constructs a running shoe that accounts for noted differences in data points.

• Width: Normal (wide available)
• Anatomical lacing system for better comfort
• Shortened fulcrum + Propulsion unit for a quick turnover
• Highly cushioned AeroFoam midsole
• Ideal Knit mesh construction for breathability and support
• Seamlessly engineered upper

Weight: 300g

Drop: 6mm

Heel: 24mm Toe: 18mm