what is welted
The welt â On better-constructed shoes, the welt is a strip of leather which runs along the perimeter of the outsole. Its primary function is for attaching the upper to the outsole. The last â A three-dimensional model of a foot, the last is what gives a shoe its shape.f the two primary welting methods, blake is the simplest and most common. It also is a byproduct of the industrial revolution because the stitching is done on the inside of the shoe â making it impossible to do by hand. For a blake welt, the upper is wrapped around the insole and attached between it and the outsole.