The Women's Greyfield Backstrap Sandal is a contemporary style crafted for summer, made with a ReBOTL™ material containing at least 50% recycled PET plastic. The EVA footbed and compression-molded EVA midsole help bring cushioning to every adventure, while a ground-contact EVA outsole with rubber pods helps provide traction. It's complete with an adjustable ankle strap for easy wear. The ReBOTL™ material used in Timberland® apparel contains at least 40% recycled PET (recycled polyethylene terephthalate, the stuff plastic bottles are made of). The ReBOTL™ material used in Timberland® footwear and accessories contains at least 50% recycled PET. (Excepting trace materials)