Sidi Canyon Gore-Tex Boots are produced in full grain leather and and chamois split-grain leather on the boot leg with a Gore-Tex membrane to keep your feet dry,Full grain leather and chamois split-grain leather on the boot leg,Lined with Gore-Tex membrane,The boot instep features a replaceable micrometric SL lever and closure strap,The grey flaps can be pressed together to unlock completely or alternatively to loosen the fit gradually,Velcro strap closure on boot leg,TPU internal support on shin deflector and ankle area,Anti-slip rubber sole any nylon innersole with replaceable anatomical arch support,