Removable leather covered inlay sole with ECFS for increased air flow and optional extra width A robust platform using our specially-designed dual-component PU and TPU combination for every-step stability Internal unique ECCO Comfort Fibre System™ circulates cool air for all-day freshness The GORE-TEX® waterproof lining keeps the worst of the weather out for drier feet Soft, supple uppers crafted from premium full-grain leather and oiled nubuck wrap around the foot Product Code: 83171452600