The shoe retains its late-2000s runner aesthetic, synthetic leather overlays and mesh underlays, while the upper tongue from 2008.; ; The main component of the upper has a 20% recycled polyester design.; ; The sustainable dyeing process of the insole lining reduces total water use by approximately 33% and carbon emissions by approximately 45%.; ; GEL™ insole technology provides excellent shock absorption.; ; This shoe uses the TRUSSTIC™ midsole support system that helped runners in the late 2000s improve their balance.; ; Gel-kayano ™: The composition elements of the 14 sneakers are also integrated in the upper of the shoe.