Allbirds Women's Wool Runners Size 7 Color: natural grey Wool Runner Highlights Warm and cozy ZQ Merino wool provides next-level comfort Cushioned midsole gives wear-all-day support Machine-washable materials keep shoes looking like new Shop the one that started it all: The Original Wool Runners. Our superfine ZQ Merino wool material is incredibly soft and cozy, naturally thermoregulating, and ready for anything. 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. Best For: Walking, cooler weather, everyday wear Super Soft Material: Warm and cozy premium ZQ Merino wool provides next-level comfort Versatile Design: Wear-with-everything classic style, great for travel Where It’s Made: South Korea.