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This style is available in whole sizes only. In between sizes? We recommend you size up.
Free shipping on orders over $75. Free returns.
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Wool Runner Mizzles Highlights
Lightweight, breathable eucalyptus fiber provides next-level comfort
Cushioned midsole gives wear-all-day support
Machine-washable materials keep shoes looking like new
Our breathable, silky-smooth sneaker made with responsibly sourced eucalyptus tree fiber treads lightly in everything you do.
Best For: Walking, warmer weather, everyday wear
Thermoregulating Material: Lightweight, breathable eucalyptus fiber provides next-level comfort
Versatile Design: Wear-with-everything classic style, great for travel
Where It’s Made: Vietnam. Learn more about our operations
Our Tree Runner has a carbon footprint of 4.99 kg CO2e. Learn more about carbon footprint labeling and our commitments to reduce our impact.
As a carbon neutral business certified by Climate Neutral, we balance our emissions by funding high impact carbon projects.
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
1. Remove the laces and insoles.
2. Place shoes in a delicates bag (pro tip: a pillowcase works too).
3. Choose a gentle cycle with cold water & mild detergent.
4. Shake out any excess water & set aside to air dry.
5. Shoes will regain their original shape with one or two wears.
Want the full refresh experience? Swap in some new laces and insoles.
Free shipping on orders over $75, and our 30 days, no questions asked return policy. Lightly worn shoes get donated to Soles4Souls. Visit our Returns Portal.
Final Sale items cannot be returned or exchanged. Final Sale items include: gift cards, insoles, sock bundles, TrinoXO Face Masks, and items tagged final sale on our website and in Allbirds retail stores.
Need it sooner? See if the style you want is available at a store near you.

REINFORCED WOOL UPPER
Superfine, Super Cozy
It’s soft and itch-free on the inside, water repellent and extra durable on the outside, and ethically sourced to ZQ Merino’s high standards.

WATER REPELLENT SHIELD
Puddle Guard® On Duty
Keep your feet dry with our breathable, bio-based shield and wool upper treated with an ECO PASSPORT Certified (by OEKO-TEX®) fluorine-free water repellent coating.

SUGARCANE MIDSOLE
Sweet On The Planet
Our sole combines SweetFoam®, made with the world’s first carbon negative green EVA, and FSC® Certified natural rubber treads for a delightful bounce and better traction.

CASTOR BEAN INSOLE
Plant Your Feet In Comfort
We layered castor bean oil, which emits less carbon than petroleum-based foam, and ZQ Merino wool for a cushiony, moisture wicking, and odor reducing insole.

RECYCLED LACES
Loop And Swoop
Our laces are made from 100% post-consumer recycled polyester. One old plastic bottle becomes one pair of shoelaces.
80 Reviews
Good travel shoes but snug.
They're good travel shoes but can be a bit snug if worn for a long time.
January31,2024
- Typical Size:10
- Typical Width:Narrow
- Size Purchased:10
- Overall Fit:Runs Small
- Activity Level:Traveling
Love them for lounging.
I absolutely love these shoes for lounging around the house. They're so comfortable.
January27,2024
Verified Buyer
- Typical Size:12
- Typical Width:Average
- Size Purchased:12
- Overall Fit:Just Right
- Activity Level:Around the House
Stylish but tight on long trips.
They're stylish and fine for short trips, but can be tight on longer journeys.
January26,2024
- Typical Size:9
- Typical Width:Narrow
- Size Purchased:9
- Overall Fit:Runs Small
- Activity Level:Traveling
The Allbirds Approach
Wear-All-Day Comfort
Lightweight, bouncy, and wildly comfortable, Allbirds shoes make any outing feel effortless. Slip in, lace up, or slide them on and enjoy the comfy support.
Learn MoreSustainability In Every Step
From materials to transport, we’re working to reduce our carbon footprint to near zero. Holding ourselves accountable and striving for climate goals isn’t a 30-year goal—it’s now.
Learn MoreMaterials From The Earth
We replace petroleum-based synthetics with natural alternatives wherever we can. Like using wool, tree fiber, and sugar cane. They’re soft, breathable, and better for the planet—win, win, win.
Learn More