Relax in our super-comfy slip-on sneakers made from ultra-fine ZQ merino wool for maximum comfort in a minimalist design. Details Best for: Walking, cooler weather, everyday wear Super-soft material: warm, comfortable premium ZQ merino wool offers next-level comfort Versatile design: classic style to wear with everything, ideal for travel Where made: Vietnam. Designed to slip on and go Soft, comfortable ZQ merino wool offers next-level comfort Cushioned midsole for smoother landings Durability Our Wool Loungers have a carbon footprint of 6.68 kg CO2e. As a Climate Neutral certified carbon-neutral company, Allbirds balances its emissions by funding high-impact carbon projects. ZQ-certified merino wool upper that meets high standards of animal welfare, environmental protection and social sustainability SweetFoam® midsole in green sugarcane-based EVA Castor oil-based foam insole SHOE CARE Remove insoles. Place shoes in a delicates bag (pro tip: a pillowcase works too). Choose a gentle cycle with cold water and a mild detergent. Shake off any excess water and leave to air-dry. Shoes will return to their original shape after one or two uses. Want the full refreshment experience? Exchange for new insoles.