![](http://cdn.allbirds.com/image/upload/f_auto,q_auto,w_375/cms/2gO7gWnGzjc4t37pxUyrcG/dac5c48cec5d8ca8801abad86282d25b/M_Mizzle_WoolUp.png)
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.
![](http://cdn.allbirds.com/image/upload/f_auto,q_auto,w_860/cms/7rHu7OAiqKYMCDZgXXvn6n/b93144492c35adb56dfa0eb5201db848/group-6-copy.jpg)
![](http://cdn.allbirds.com/image/upload/f_auto,q_auto,w_375/cms/79MImrwXeiGoxZArm1uvyV/9152b6f1a1bcb708ca0c6284030b5b0b/WRM-womens_1125x1143_2.jpg)
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.
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![](http://cdn.allbirds.com/image/upload/f_auto,q_auto,w_375/cms/1lbJYDlsEu7mlJMMzoWV6a/f0adf0bd0ecf398b9a84cd8caa22d6a8/M_Mizzle_SugarMid.png)
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.
![](http://cdn.allbirds.com/image/upload/f_auto,q_auto,w_860/cms/D238jP0mBGFghUJRlcW7x/bc0e50f1ba718da1ccc95dce67af5401/group-6-copy.jpg)
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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.
![](http://cdn.allbirds.com/image/upload/f_auto,q_auto,w_860/cms/Bcmfjt4iMbYIw9xSXOZQb/f2febd4dc0d5ebe5fb79432c22bc7cce/inosles-left.jpg)
![](http://cdn.allbirds.com/image/upload/f_auto,q_auto,w_375/cms/5E6bdvgdcAo48QO9K8GE8Y/0f1dff45ec3ae9285b2d2de9db827026/WRM-womens_1125x1143_1.jpg)
Recycled Laces
Loop And Swoop
Our laces are made from 100% post-consumer recycled polyester. One old plastic bottle becomes one pair of shoelaces.
![](http://cdn.allbirds.com/image/upload/f_auto,q_auto,w_860/cms/u2fE2JYFb2EKHApQ8V8Zh/3f39bc9b1363bc10f7732f5ab1698e38/9_Shot_10_MizzleLaunch19_Global_W_WR_Harvest_1395_w860_557.jpg)