Made for Adventure. The Sierra WP Boot was made to go anywhere. Whether on the street or in the dirt, the 100% waterproof Sierra WP is the boot that will get you there. Designed for the adventure and touring rider. TPU molded shin plate. Internal and external TPU protection. Anatomically shaped TPU heel cup. Upper made by full-grain leather and suede microfiber. Lined with a waterproof membrane. High grip rubber sole, anti-slip. Robust metal quick-action buckles for a perfect fit. Nylon inner sole with steel shank. Removable footbed with anti-sweat treatment. Replacement parts available (sold separately).