Y-3 Kozoko Low Grey BOOST™. The Kozoko Low has a sleek single-piece sock upper with a supportive leather sidewall and TPU cover. Built with Boost™ for a continuous stream of light, fast energy.
Boost™ is the most responsive cushioning ever: The more energy you give, the more you get; Stretch mesh upper with translucent TPU weld cover, Leather tongue, sidewall and heel collar; Rubber eye stay, Translucent RPU moulded heel cap; Mid cut, Suede heel lining; EVA midsole for lightweight cushioning; Rubber outsole.
Upper: 20% Leather ; 80% Textile fibers