Allbirds Koozie - Natural Black "YGroup_ygroup_womens-tree-breezers" And now you can help

And now you can help

Thoughtfully designed with the same ZQ Certified Merino wool found in our shoes

Trino™ Tubers made from natural materials freshen up the classic crew with a simple design—a perfect match for your favorite shoes

sustainable merino wool

Allbirds Koozie - Natural Black "YGroup_ygroup_womens-tree-breezers" And now you can helpKeep your beverage chill and your hand cozy with the Allbirds Koozie, made from soft, sustainable merino wool. To redeem your koozie for free: first, add it to your cart, then shop around for your perfect pair of shoes. Once your shoes are in the cart, your exclusive koozie is now yours, on us!