Synthetic leather upper At least 20% of the upper is made with recycled materials Rubber outsole Lace-up fastening FF BLAST PLUS ECO midsole for responsive rebound and lightweight comfort Scutoid GEL technology shape for advanced cushioning TRUSSTIC support system for stability The Gel-Kinetic Fluent draws inspiration from archival running shoes, reimagined with modern design updates. The upper and its technical welding and eyelets directly point to running styles from the 2010s. Contemporary materials are added to bring depth and texture to the design.