| Brand | Karhu |
| Model | Ikoni 3.5 |
| Year | 2026 |
| Gender Version | Unisex |
| Category | Daily Training Long Distance Training |
| Terrain | Asphalt |
| Midsole Technology | AeroFoam nitrogen-infused supercritical foam midsole (Fulcrum propulsion unit) |
| Carbon Plate Structure | None (Fulcrum propulsion structure) |
| Upper Material | IdealKnit mesh upper |
| Outsole Configuration | Full-length rubber outsole |
| Forefoot Thickness | 20.0mm |
| Heel Thickness | 28.0mm |
| Drop | 8mm |
| Weight | 265g |
| Fit | Snug |
| Breathability | (3/5) |
| Stability | Normal |
| Cushion Distribution | Even |
| Feel Attribute | Balanced, Comfortable, Soft |
| Bounce | (3/5) |
| Running Style Recommendation | Neutral |
| Runner Level | Intermediate |
| Weight Range | Medium |
| Width | Standard |
| Arch Type | Medium |
| Landing Type | Midfoot |
| Price | $150.00 USD (approx.) | Durability | 600 km |
The Karhu Ikoni 3.5 is Karhu's most popular balanced daily trainer, designed for neutral runners and mild overpronators. It features AeroFoam nitrogen-infused midsole with the unique Fulcrum propulsion unit, balancing soft cushioning with propulsive efficiency. The 8mm drop and moderate 28mm heel stack suit most runners' natural gait. IdealKnit mesh upper is breathable and comfortable. A versatile daily trainer suitable from easy runs to long distance.