allbirds Allbirds Navy Tree Runner

Excellent pre-owned condition. Machine washable. Our breathable, silky-smooth Tree Runner is a lightweight everyday sneaker, made with responsibly sourced eucalyptus tree fiber. The Tree Runner has a carbon footprint of 4.52 kg CO2e. Learn more about carbon footprint labeling and our commitments to reduce our impact. Best For: Walking, warmer weather, everyday wear. Thermoregulating: Lightweight, breathable eucalyptus fiber provides next-level comfort.