The north face berkeley leather mens walking boots the the north face berkeley walking boots feature a hydroseal waterproof membrane coupled with 100g primaloft silver insulation eco making these an ideal all round all weather boot mens walking boots lace up waterproof blc compliant full grain leather upper hydroseal waterproof membrane 100g primaloft silver insulation eco otholite rebound footbed compression moulded eva midsole tpu heel clip durable tnf winter g