Nike Flyknit shoes have this technology: https://www.nike.com/flyknit https://www.nike.com/flyknit They weave different densities and materials in different se

Nike Flyknit shoes have this technology: https://www.nike.com/flyknit https://www.nike.com/flyknit They weave different densities and materials in different sections of the upper to make some areas stronger, some more breathable, some stretchy, etc. You may have seen it referenced in some of the recent furor over the Next% carbon midplate.