DETAILS Made to Go with the flow, our fan-fave sneaker keeps its signature breathable comfort while hitting the refresh button with a new elevated aesthetic and more springy support. Our Tree Runner Go has a carbon footprint of 4.83 kg CO2e. Best For: Warm weather, everyday wear, travel, socks optional Breezy Material: Lightweight, breathable tree fiber in the upper material delivers airy, next-level comfort Versatile Design: Wear-with-everything style, great for travel Sustainable Materials: - Upper made with a TENCEL™ Lyocell (tree fiber) blend - SweetFoam® midsole made with sugarcane-based green EVA - Shoelaces made with recycled polyester - Castor bean oil-based insole foam New never worn (no box) smoke free home