KARHU x SAYSKY is a Nordic collaboration and celebration of the past, present and future. Almost a century apart in history. The industry legacy and the new kid on the block. From Karhu’s origin in 1916 to the launch of Saysky in 2013 – we’re now joining forces to show that running is about community and moving forward in the same direction.

The women's KARHU x SAYSKY Fusion 3.5 is a highly responsive, cushioned running shoe for neutral-footed runners. Whether going easy or pushing the pace, the forward propulsion and plush cushioning make your run comfortable and playful. The 6mm heel-toe offset, shortened Fulcrum, and propulsion unit result in a swift and nimble underfoot experience.
The newly redesigned upper mesh is softer in the toe-box while the intricate venting pattern gives improved breathability. The Fusion 3.5 is an all-in-one shoe for the neutral runner with variety in their running workouts.

The Fusion 3.5 is also available in a wide fit, Karhu calls this High Volume (HiVo).
At Karhu, we know every runner has unique feet, and precisely that given resulted in the new Fusion 3.5. The women’s Fusion is the first shoe built by women for women. By adjusting the circumference volume at the instep and forefoot, Karhu offers a personalized women’s construction: HeraFit.

Technologies KARHU x SAYSKY Fusion 3.5:
-Fulcrum + Propulsion Unit
-Ideal Knit
-Ortix Fit
-AeroFoam midsole
-M-Lock lacing system

Weight US8: 250g / 8.8 oz
Heel-to-toe drop: 6mm

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The women's KARHU x SAYSKY Fusion 3.5 is a highly responsive, cushioned running shoe for neutral-footed runners. Whether going easy or pushing the pace, the forward propulsion and plush cushioning make your run comfortable and playful. The 6mm heel-toe offset, shortened Fulcrum, and propulsion unit result in a swift and nimble underfoot experience.
With every stride, the Fulcrum and propulsion unit will accelerate the transition from heel to toe-off, even during your easy runs. The newly redesigned upper mesh is softer in the toe-box while the intricate venting pattern gives improved breathability. The Fusion 3.5 is an all-in-one shoe for the neutral runner with variety in their running workouts.

The women’s Fusion is built by women for women. By adjusting the circumference volume at the instep and forefoot, KARHU offers a personalized women’s construction: HeraFit.

Details KARHU x SAYSKY Fusion 3.5:
-Shortened Fulcrum + Propulsion unit for an efficient stride
-HeraFit: women's specific last
-Highly cushioned AeroFoam midsole
-Updated Ideal Knit mesh construction with improved breathability
-M-Lock lacing construction ensures a secure midfoot

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Karhu x Saysky is a Nordic collaboration and celebration of the past, present and future. Almost a century apart in history. Look out for the bear and magic star.

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KARHU WOMEN'S RUNNING SHOES