ALLBIRDS Tree Pipers Sneakers Hazy Pine Green NEW without box, store return Size 11 Lightweight and breathable Made with eucalyptus tree fiber Cushioned midsole gives wear all day support 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 All day comfort. Everyday style. This classic low top made with breezy eucalyptus fiber is the sneaker your outfits have been waiting for.