The Karhu Fusion Ortix 2021 edition is the latest mens Karhu road running shoe to develop on Karhu’s unique technology whereby they have scanned countless runners’ feet and developed their last (shoe shape) from those results. It’s a plusher ride, should be nice and quick and its ideal for runners looking for neutral, comfy mileage.
WE RECOMMEND BUYING 1/2 SIZE HIGHER THAN YOUR USUAL SIZE
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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.
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.”
- 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










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