Allbirds Women's Tree Pipers Size 10 All day comfort. Everyday style. This classic low top made with breezy eucalyptus fiber is the sneaker your outfits have been waiting for. Best For: Walking, warmer weather, everyday wear Thermoregulating Material: Lightweight, breathable eucalyptus fiber provides next-level comfort Versatile Design: Wear-with-everything classic style, great for travel Where It’s Made: Vietnam. Excellent condition worn once