DuraTWX hybrid performance leather upper; DuraTWX hybrid performance leather is water resistant, breathable, anti-corrosive, and abrasion resistant; As a migration from traditional nylon lining, ecoLINING features ecoTWX material that is made with 100% P.E.T., furthering eco conscious efforts; Padded tongue and interior lining for added comfort; Removable, moisture-wicking, antibacterial and machine washable molded footbed; Integrated rice husk and molded rubber outsole made from repurposed agricultural byproduct, provides durability