A medical bandaging product including a sealable enclosure and a resin-impregnated substrate including a knitted fabric layer having upper and lower surfaces with interconnected knitted fabric yarns knitted such that at least one yarn extends across a gap from the upper surface to the lower surface along a width of the substrate in a back-and-forth pattern forming a single, integrated three-dimensional structure, wherein the at least one yarn extends between non-adjacent needle positions in a back-and-forth pattern in successive courses to provide a continuous pattern on both the upper and lower major surfaces of the substrate, wherein needle bed gap spacing is between 7.1 mm and 8 mm and a total thickness of the substrate is between 4.75 mm and 4.90 mm.