The Icebug Järv RB9X is a durable trail shoe designed for runners who encounter mixed terrain. With an eco-friendly construction, this model features a high-stack design that provides significant protection during runs.
Lab tests indicate a strong energy return, complemented by a firm midsole, which contributes to stability on various surfaces. The 5/5 rigidity of the shoe aids in maintaining performance under demanding conditions.
However, the shoe's higher weight may be a consideration for some runners. Overall, the Icebug Järv RB9X delivers reliable performance, making it suitable for those seeking a robust and environmentally conscious option in their trail footwear.
Pros
- Sustainable materials
- Strong energy return from eTPU foam
- High, protective stack height
- Excellent for cold climates
- Very durable toebox
- Versatile 5.0 mm lugs
- Supercritical insole
- Outsole grips well
Cons
- Heavy on foot
- Knit upper retains water
- Firm underfoot feel
- Low ventilation
Key Features
- Trail Running & Forest Runs: Designed for rough terrain, muddy trails, and rocky paths, offering a secure grip and optimal traction.
- Stable & Comfortable: The upper is made from 50% recycled RePET polyester, providing durability and flexibility for long distances.
- Cushioning: Equipped with a bio-based Susterra midsole, striking a balance between cushioning and responsiveness.
- Running Feel: Features a 4 mm drop for a close-to-the-ground experience, allowing for maximum control on any trail.
Specifications
- Sole Material: Rubber
- Outer Material: Woven engineered upper
- Inner Material: Recycled RePET Polyester
- Closure Type: Lace-Up