The women's Karhu Fusion 2021 is a high cushion running shoe for neutral footed runners. With a plush yet propulsive ride, it's ideal for performance-oriented athletes seeking a shoe for up-tempo workouts or races.

The women’s Fusion 2021 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.