Sprint Trekker Mid Fab Boots by Timberland Made from durable ReBOTL™ fabric mesh which contains at least 50% recycled plastic. The lining is waterproof crafted from Timberlands exclusive TimberDry™ material which is also made of 50% recycled plastic. Featuring fully gusseted tongue to keep rain and dirt out, a OrthoLite® footbed for cushioning, compression-mmoulded EVA midsole, finished with rubber lug outsole for added grip. - TimberDry™ waterproof membrane made with 50% recycled plastic - Durable ReBOTL™ fabric upper and lining, containing at least 50% recycled plastic