NIKE Space Hippie 4 Sail / Astronomy Blue CD3476-101. New model from Nike, the SPACE HIPPIE is made with 25% recycled material by weight. Ultra light. Space Waste Yarn fiber upper incorporating nearly 85% recycled polyester from plastic bottles, t-shirts and scraps of fabric. Crater foam midsole combining Nike Grind material with a blend of foams for added stability and a unique look. Insole covered with ZoomX foam scraps, the cushioning of Nike NEXT% running shoes. Very limited quantities.