The Allbirds Tree Flyer 2 Review & Lab Test: Shop Men’S & Women’S Models of 2026

The Allbirds Tree Flyer 2 is a sustainable running shoe designed for environmentally conscious consumers. Its lab results indicate that this shoe is ideal for runners seeking daily comfort due to its lightweight construction and responsive materials.

The eucalyptus-based upper combined with the BioPebax midsole, derived from castor beans, contributes to a stable and comfortable ride during less intense runs. The use of recycled materials further enhances its eco-friendly profile, aligning performance with sustainability.

Although the weight and price of the Allbirds Tree Flyer 2 may be considerations for some, the commitment to reducing carbon footprints in footwear makes it a noteworthy option for those prioritizing environmental responsibility.


Pros

  • Environmentally friendly
  • Breathable knit upper
  • Good impact dampening
  • Snug sock-like fit
  • Accommodating toebox
  • Secure heel hold
  • Quite flexible and comfy
  • Smooth and stable ride
  • Works as a walker or gym shoe

Cons

  • Quite heavy
  • Pricey for a daily trainer
  • Not so responsive

Key Features

  • Lightweight Design: The shoe is crafted to be light on your feet, making every movement feel effortless.
  • Supportive Upper: Made from natural tree fiber, the upper features a zonal knit that is both breathable and flexible.
  • Tight Midfoot Fit: The knitted midfoot section promotes a locked-in fit, providing you with stability during your runs.
  • Responsive SwiftFoam Midsole: Offers a bouncy, cushioned experience that propels you forward mile after mile.
  • Durable Outsole: The natural rubber outsole features a horizontal lug pattern for excellent traction on both wet and dry surfaces.
  • Machine Washable: Designed for easy maintenance, you can keep your shoes looking fresh without hassle.

Specifications

  • Origin: Imported
  • Sole Material: Rubber
  • Outer Material: Tencel Lyocell
  • Inner Material: Tencel Lyocell

Allbirds Tree Flyer 2 Review & Lab Test: Shop Men’S & Women’S Models – Price, Ratings, Reviews & Sales Insights

Allbirds Tree Flyer 2 Nike Journey Run ASICS Gel Contend 9 Brooks Levitate 6
Price $160 $90 $70 $150
Pace Daily running Daily running Daily running Daily running
Arch support Neutral Neutral Neutral Neutral
Weight lab Weight brand 10.3 oz / 293g 10.5 oz / 298g 9.7 oz / 275g 10.7 oz / 304g
Drop lab Drop brand 8.1 mm 8.6 mm 7.8 mm 7.7 mm
Strike pattern Heel Heel Mid/forefoot Mid/forefoot
Size True to size True to size True to size True to size
Midsole softness Balanced Balanced Balanced Soft
Difference in midsole softness in cold Small Big Small Small
Toebox durability Good Decent Bad Good
Heel padding durability Decent Decent Good Good
Outsole durability Good Decent Decent Good
Breathability Moderate Moderate Moderate Breathable
Width / fit Medium Medium Medium Narrow
Toebox width Medium Narrow Medium Medium
Stiffness Stiff Moderate Moderate Stiff
Torsional rigidity Stiff Stiff Moderate Moderate
Heel counter stiffness Moderate Stiff Stiff Moderate
Heel lab Heel brand 32.1 mm 33.0 mm 31.2 mm 34.3 mm
Forefoot lab Forefoot brand 24.0 mm 24.4 mm 23.4 mm 26.6 mm
Widths available Normal Normal Normal Normal
Orthotic friendly
Season All seasons All seasons All seasons Summer
Removable insole
Ranking Bottom 47% Bottom 20% Bottom 14% Top 21%
Popularity Bottom 13% Top 30% Top 24% Bottom 30%