ASICS Trabuco Max 4
Pros
- Huge forefoot cushioning
- Full-length ASICSGRIP rubber
- Extremely stable despite its height
- Can handle any distance
- Handy tongue loop keeps laces quiet
- Well-padded, comfortable tongue
- Rockered shape for easy transitions
- Ideal for flat, easy trails
Cons
- Not ideal for heel strikers
- Questionable outsole durability
- Heavy build
- Tapered toebox
Key Features
- Engineered mesh upper: Provides breathability and comfort during long runs.
- FF BLAST PLUS ECO cushioning: Made with approximately 24% bio-based content, offering cloud-like comfort underfoot.
- GUIDESOLE technology: Facilitates an easy forward roll, enabling energy savings while running.
- ASICSGRIP outsole rubber: Enhances grip on off-road surfaces for improved stability and safety.
Specifications
- Origin: Imported
- Sole material: Rubber
- Outer material: Synthetic Fiber
- Inner material: Polyester
The ASICS Trabuco Max 4 is designed for ultra runners seeking plush comfort and controlled footing. This shoe offers notable cushioning, stability, and a reliable outsole suitable for various terrains. Lab results confirm its exceptional traction, making it a standout option in the ultra-running category.
In our traction test, the ASICSGRIP rubber achieved an impressive score of 0.81, which is 35.0% grippier than the average. The shoe features 3.1 mm lugs, ideal for smoother trails and ultra settings, while the M-shaped and chevron-shaped lugs provide effective grip on more technical sections.
The Trabuco Max 4 utilizes FF Blast+ foam, offering significant cushioning and protection. With a stack height of 39.3/33.2 mm, it provides minimal ground feel, complemented by strong shock absorption scores of 125/127 SA that reduce landing impact.
To enhance balance between height and softness, the shoe incorporates tall sidewalls and a structured midsole. Its torsional rigidity score of 5/5 ensures excellent stability, making ankle twists virtually impossible.
However, the emphasis on cushioning and support may reduce agility. Weighing in at 11.0 oz (312g), the Trabuco Max 4 can feel bulky during faster efforts, impacting overall speed.
Icebug Järv RB9X
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
The Icebug Järv RB9X is designed for trail runners seeking a unique option that combines eco-friendliness with performance. Our lab tests highlighted its notable energy return, significant stack protection, and a durable upper construction. The deep, versatile lugs provide effective handling of mixed terrain, making it suitable for various outdoor conditions.
However, the shoe's weight and firmer midsole may limit its appeal for some users, and it is priced at a premium level. Despite these drawbacks, the Icebug Järv RB9X stands out as a solid choice among trail shoes, offering a reliable alternative to more mainstream options.
Saucony Xodus Ultra 4
Pros
- Amazing bounce from PWRRUN PB foam
- First Xodus Ultra with a Vibram outsole
- Stable platform underfoot
- Premium PWRRUN+ insole
- Works well for hiking too
- Full-length outsole coverage
- Excellent for ultras
- Fantastic traction on easy terrain
Cons
- Weight is becoming a real problem
- Tapered toebox fit
- Small price increase
- Weak heel padding durability
Key Features
- Max Cushioning: Features PWRRUN PB foam, providing a soft and bouncy feel underfoot for enhanced comfort.
- Durability: The chassis made from responsive PWRRUN ensures long-lasting performance and protection.
- Traction: Equipped with a full coverage Vibram Mega-Grip outsole, this shoe offers reliable traction on various surfaces.
- Protection: The high-strength engineered mesh protects against dirt and debris while remaining lightweight in high-abrasion areas.
- Gaiter Compatibility: Includes a D-Ring that allows for easy attachment of gaiters, enhancing your running experience in challenging environments.
Specifications
- Origin: Imported
- Sole Material: Rubber
- Outer Material: Mesh
- Closure Type: Lace-Up
The Saucony Xodus Ultra 4 is designed for trail runners seeking a reliable and cushioned experience during off-road adventures. It offers significant ground-muting cushioning combined with an energy boost, making long distances feel less strenuous. With a wide base and the dependable Vibram Megagrip rubber outsole, it provides enhanced control and stability on various terrains.
The midsole of the Xodus Ultra 4 measures 37.6/31.1 mm, making it suitable for endurance runs. It features plush PWRRUN PB foam, which contributes to excellent shock absorption, with both the heel and forefoot scoring 127 SA. The shoe also exhibits impressive energy return, achieving a rebound of 64.9% in the heel and 72.4% in the forefoot.
To ensure stability, the midsole width is 116.7/97.3 mm, facilitating secure strides. The Vibram Megagrip rubber provides solid traction, evidenced by a score of 0.72 in wet conditions, signifying a grip that is 20.0% stronger than average. However, it is advisable to wear reflective elements when running in low-light situations, as the Xodus Ultra 4 lacks built-in reflective features.
Altra Experience Wild 2
Pros
- Extremely roomy toebox
- Very stable ride, especially up front
- Beginner-friendly drop for Altra newcomers
- Flexible build with natural feel
- Impressive durability across the board
- Noticeably lighter than version 1
- Improved heel retention
- Better lacing system
- Same price as before
Cons
- Bad energy return
- Limited ventilation
- Non-gusseted tongue
- Not for narrow feet
Key Features
- Balanced Cushioning: The platform places the heel and forefoot at the same distance from the ground, promoting low-impact landings.
- Highly Cushioned Midsole: Specifically designed to support you during high-intensity trail days.
- FootShape Toe Box: Signature design allows your toes to spread naturally, enhancing your overall comfort and encouraging proper form.
Specifications
- Origin: Imported
- Sole Material: Rubber
- Outer Material: Mesh
- Inner Material: Polyester
The Altra Experience Wild 2 is designed for trail runners seeking a combination of comfort and roominess. Its lighter, more spacious upper significantly enhances fit compared to previous versions.
However, lab testing indicates that the midsole continues to use the same foam, which offers subpar energy return. This specific drawback limits its potential as an exceptional trail running option.