The Master-Piece Surpass Back Pack is crafted from extremely tough Cordura nylon, with thick cowhide leather straps and trim. The bag has a large main compartment with an internal laptop section, interior zip pocket and brass key clip. The leather straps are padded with thick felt, are adjustable at the bottom with brass buckles with a front harness strap which fastens with brass rings, and the bag is finished, as ever, with a small brass Master-Piece quality guarantee plaque.