Shop the one that started it all: our Merino wool running shoes. Our super-fine ZQ Merino wool is incredibly soft and cozy, naturally thermoregulating, and ready for anything. Details: Best For: Walking, cooler weather, everyday wear ZQRx Regenerative Wool Material: The wool used for our Regen capsule is grown using regenerative farming practices that aim to help reverse climate change through practices that restore and preserve nature. Super Soft Material: Warm and cozy premium ZQ Merino wool provides next-level comfort Versatile Design: Classic style that goes with everything, great for travel Where It’s Made: Vietnam. Warm and cozy ZQ Merino wool provides next-level comfort Cushioned midsole offers all-day support. Machine-washable materials keep the shoes looking new Sustainable Materials: Our Wool Runner has a carbon footprint of 8.03 kg CO2e. As a certified Climate Neutral business, Allbirds offsets its emissions by funding high-impact carbon projects. ZQ-certified Merino wool upper that meets the highest standards of animal welfare, environmental care, and social sustainability SweetFoam® midsole made with sugarcane-based green EVA Shoelaces made from recycled plastic bottles Castor bean oil-based insole foam ZQ Merino wool heel lining Care Remove the laces and insoles. Place the shoes in a delicates bag (pro tip: a pillowcase works too). Select a gentle cycle with cold water and mild detergent. Shake off any excess water and let them air dry. The shoes will return to their original shape after 1–2 wears. Want the full refresh experience? Swap in some new laces and insoles.