Our sleds are made of the most durable materials available and consist of High-Density Crosslinked Polyethylene (XLPE), Chromalloy, 1,000 denier DuPont Cordura Nylon, stainless steel hardware, powder coated components, patented side hill stability control, removable duffel-bag and patented harness system, all made with pride in the US. Compare with competitors and see for yourself that Wilderness Engineering sleds are truly built with 100% OSOM.