Allbirds Wool Pipers Sneakers All day comfort. Everyday style. This classic low top made with premium ZQ Merino wool is the sneaker your outfits have been waiting for. 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 Dapple Grey (White Sole) Size 7. Great condition.