Recycled Polyester upper and lining and insole Lace up closure Bio Ethylene vinyl acetate midsole Recycled ReRubber outsole 10 millimeter drop Acbc X Diadora Mythos Blushield Volo 3 Is Our First Sustainable And Vegan Ok Certified Running Shoe. Acbc Ground Breaking Eco Materials Meets Diadora Blushield Technology. The Pack Comes With A Seed Paper Where You Can Get To Know More About This Special Volo 3 Acbc Release. You Can Actually Plant The Paper In A Pot Of Soil And Let It Grow Into A Plant.