All birds, allbirds, wool sneakers, travel Open to offers! DESIGN: ZQ certified Merino wool upper meets the highest standards of animal welfare, environmental care, and social sustainability Water-repellant Puddle Guard® technology keeps feet dry Bio-based shield treated with fluorine-free water repellant coating Bio-based nylon eyelets Shoelaces made from recycled plastic bottles Reflective details increase visibility for safer runs IN-SHOE COMFORT: Castor bean oil-based insole foam for added comfort SweetFoam® midsole made with sugarcane-based green EVA Flexible, cushioned midsole offers a smoother ride