ECCO Men's Track II Low Oxford,Coffee/Black,45 EU/11-11.5 M US 100% Full grain leather PU and TPU sole Rugged lug-sole oxford with metal hardware Durable; Anatomically contoured footbed provides all-day comfort and support Dual-density PU sole absorbs shock Removable Comfort Fibre System insole absorbs moisture Waterproof and breathable Gore-Tex membrane