All Original S.W.A.T. footwear has one common root; they are all made on the same boot last. Regardless of the outsole design or the upper pattern, all Original S.W.A.T. boots are made on the same last. The last is the "form" around which the boot is constructed. It gives shape and structure and contributes significantly to the fit and comfort of the boot. The quality of materials and components makes a difference in performance & durability. High performance linings are important as they have to wick significant amounts of moisture away from the feet, approximately 1 pint every 3 hours. The appropriate use of 1000 nylon and breathable full grain leather facilitate this process. The key element of Original Swat Footwear: Lightweight, Out sole Design & Construction, Closure Systems, Overall Strength.