Wool Upper Superfine And Cozy It’s soft and itch-free on the inside, durable on the outside, and ethically sourced to ZQ Merino’s high standards for a cozy fit that treads light on the planet. Sugarcane Midsole Sweet On The Planet Contoured and delightfully bouncy, our Brazilian sugarcane midsole is called SweetFoam®, which is made with the world’s first carbon negative green EVA. Castor Bean Inso