The Tree Flyer is carbon neutral thanks to sustainable practices like using more natural materials and funding high-impact carbon projects. But before Allbird balance the emissions, its footprint starts at 9.92kg. Lightweight, super springy, and wildly comfortable, this distance running shoe makes your extra efforts feel effortless. They feature SwiftFoam, a new high-performance midsole big on cushion and energy return, making long runs easier on your body. More Bounce, Less Ounce. Go faster and farther with the new Tree Flyer.
- Best use: running
- Materials:
- Upper: FSC-certified TENCEL Lyocell (eucalyptus tree fiber)
- SwiftFoam midsole made with bio-based Pebax
- Outsole: FSC-certified natural rubber
- Laces made from recycled plastic bottles
- SweetFoam insole foam
- ZQ Merino wool heel lining
- External heel counter and flared, geometric midsole
- Lightweight and breathable eucalyptus fiber upper
- Low Energy, high Performance midsole
- Provide stability
- Comfortable
- Heel Drop: 8.5mm
- Forefoot: 22.0mm
- Heel: 30.5mm
- Weight: 269g




















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