Features Seamless construction of quick-drying upper materials means the shoe is lightweight and easy to wear, wherever you are Collapsible heels allow you to wear them as shoes or slides Built with sustainable, natural and recycled materials with 60-70% recycled PET in the textile and microfiber, footbed covers made from 40% coffee beans and 70% recycled laces EnergyCell EVA midsoles provide cushioning Contagrip® MD outsoles are focused on long-term wear; using a durable compound, their lug pattern works equally well on both hard and smooth or soft and loose surfaces.