Enjoy the soft and breathable knit upper that ensures optimal air circulation, keeping your feet cool and preventing excess sweat. Sustainable, light and comfy. Upper 85% Recycled PET 5%Spandex 10%PA/Lining Microfiber 60% Polyester 40%Recycled PET/Insole 85% Recycled PU 15%PU+100% Recycled cork topsheet/Midsole 35% Recycled EVA 65%EVA/Outsole 39%Natural rubbe. Color: white