- TAILORED FOR WOMEN: The Karhu women’s Fusion, built by women for women, features HeraFit—a personalized construction that adjusts the instep and forefoot volumes, providing a customized fit specifically designed to support women’s unique foot shapes.
- SIZE RECOMMENDATION: For the best fit, we recommend sizing up a full size compared to your regular size.
- PERFORMANCE & AGILITY: The Fusion offers a dynamic running experience with its AeroFoam midsole that delivers plush cushioning and effective propulsion, paired with a shortened fulcrum and propulsion unit for maximum agility and a swift transition, ideal for everything from daily training to competitive racing.
- HIVO: Available in both medium width and HiVo (Wide). More than just “wide,” HiVo provides a higher volume upper to accommodate thicker or broader feet, and feet with common problems like bunions,calluses and corns
