![](http://cdn.allbirds.com/image/upload/f_auto,q_auto,w_375/cms/2gO7gWnGzjc4t37pxUyrcG/dac5c48cec5d8ca8801abad86282d25b/M_Mizzle_WoolUp.png)
Reinforced Wool Upper
Superfine, Super Cosy
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.
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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.
![](http://cdn.allbirds.com/image/upload/f_auto,q_auto,w_860/cms/205W0OqvX91vJ9PVfW2AHr/8ec2cc73f8c4ef81e6186efa3ee22f70/10_Shot_03_MizzleLaunch19_Global_W_WR_Natural_Grey_0823_w860_557px.jpg)
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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.
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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.
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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)