Last sizes available — racing wide fit model. Order today to secure your size.
The Karhu Fusion Ortix F100325 are men's racing wide fit running shoes with a blue engineered mesh upper and neon yellow details, featuring Fulcrum technology and a lightweight reactive midsole. Ideal for fast training, road races, and runners with wide feet looking for natural propulsion and forefoot space.
👟 Quick Purchase Info
Model: Fusion Ortix · Code: F100325 Color: Blue/Yellow (Barely Blue / Neon Sunshine) · Gender: Men Sizes: 41.5 · 42 · 42.5 · 43.5 · 44 · 44.5 · 45 · 46 · 46.5 Fit: Wide fit — roomy fit, ideal for wide feet (regular size) Drop: 6 mm · Weight: ~300 g (size 42)
⚙️ Features
✅ Fulcrum Technology: geometry that promotes natural propulsion and smooth transition ✅ Wide Fit: spacious forefoot, zero lateral compression for wide feet ✅ Lightweight reactive midsole: energy return for fast paces ✅ Engineered mesh upper: breathable with targeted reinforcements, keeps feet cool over long distances
🎯 Ideal if…
✅ You have wide feet or bunions and are looking for space without sacrificing speed ✅ You want a lightweight racing shoe for fast training and road races 10-42 km ✅ You prefer a natural 6 mm drop that reduces stress on the Achilles tendon ✅ You are looking for a neutral shoe with propulsion to improve your race pace times
Are Karhu Fusion Ortix suitable for wide feet? Yes, they are wide fit: the forefoot is more spacious than a regular fit, perfect for wide feet or bunions. Choose your usual size.
What size should I choose if I have medium/narrow feet? Consider half a size smaller or opt for the Karhu Ikoni Ortix with a regular fit.
Are they suitable for marathons? Yes, they are neutral racing shoes ideal for sustained paces over distances from 10 to 42 km thanks to their lightness and Fulcrum technology.
How many kilometers do they last? On average 500-700 km on asphalt with regular rotation every 2-3 outings.
Are they good for pronators? They are neutral shoes; for significant pronation, look for a stability model in the men's running shoes collection.
How do I clean them? Damp cloth and neutral soap, never in the washing machine. Dry at room temperature, removing the insole.
Why buy Karhu from Sportiamo?
Sportiamo is an authorized Karhu dealer: guaranteed original products, fast shipping in Italy, 30-day returns, and secure payment. Thousands of customers rate us 4.9 stars on Google and Trustpilot for assistance, delivery speed, and service quality.
