Keeper developed its Hi-Test webbing many years ago using three layers of high tenacity yarn to protect and provide strength. The face, back and edge layers provide the webbing with abrasion and weather protection and the center, or warp yarns, provide the strength. All Hi-Test webbing is tested for abrasion resistance using the Federal Test Method #5309, required of all mil-spec webbing. The webbing is cycled over a steel hexagonal bar to simulate real life application. A tensile test is then conducted. All of Keeper's webbing passes an abrasion capacity requirement so you are assured of a long lasting product.