Synthetic-and-mesh Faux Leather sole Keeping its performance tooling intact, the GEL-QUANTUM 180 6 sneaker continues to evolve the shoe's lineage with technical componentry and styling cues from the ASICS archive. Revamping the upper construction with a series of angular lines to add more dimension to the design, this shoe is formed with mesh and synthetic leather paneling that creates a contemporary aesthetic. Paired with a bold GEL logo on the heel counter, this shoe is also layered with 180 degrees of GEL technology cushioning in the midsole for improved comfort.