DETAILS
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.
Best For: Walking, warmer weather, everyday wear
Thermoregulating: Lightweight, breathable eucalyptus fiber provides next-level comfort
Sustainable Materials:
- FSC-certified TENCEL™ Lyocell (eucalyptus tree fiber) upper
- SweetFoam® midsole made with sugarcane-based green EVA
- Bio-based TPU eyelets
- Shoe laces made from recycled plastic bottles
- Castor bean oil-based insole foam
- ZQ merino wool heel lining
- Some models may include a wool-lined insole instead of the TENCEL™-lined insole featured in the image
Tree Runner Highlights:
Lightweight, breathable eucalyptus fiber provides next-level comfort
Cushioned midsole gives wear-all-day support
Machine-washable materials keep shoes looking like new
CARE GUIDE
SHIPPING & RETURNS
Allbirds Sizing
Whole Sizes
Allbirds whole sizes fit true to size for most customers. If you have wide feet or are between sizes, we suggest you size up for all whole size styles.
Did you know that our shoes are actually unisex? You can easily cross over to find shoes in your size.
Here’s how it works:
If you wear a men’s size 7, try a women’s size 8 or 9.
If you wear a women’s size 12, try a men’s size 10 or 11.
Half Sizes
Allbirds half sizes fit true to size for most customers. If you have wide feet or prefer a roomier fit to accommodate toe splay, we suggest going up a half size. For extra wide feet, go up a whole size.
Did you know that our shoes are actually unisex? You can easily cross over to find shoes in your size.
Here’s how it works:
If you wear a men’s size 7-7.5, try a women’s size 8-8.5.
If you wear a women’s size 11.5-12, try a men’s size 10.5-11.
