US Patent 11047077 Engineered fabric

A footwear upper is made of a knitted engineered fabric. The footwear upper includes a front portion for covering an upper part of a foot, an intermediate portion corresponding to an insole, and a rear portion for covering a heel. The front portion, the intermediate portion and the rear portion are produced with an engineered fabric composed of an internal core and a pair of external layers of knitted fabric. The footwear upper is made as one piece, is already contoured during a machining stage and is ready to be applied to a sole without any other type of machining, except for the possibility of sealing for joining the front portion to the rear portion laterally.