Product DetailsASICS introduces the new GEL-Quantum 180™ – packed with 180 degrees of GEL® cushioning technology for high performance and serious cushioning. Designed with discrete construction and a full length Trusstic System®, the spring-loaded ride smoothly powers through any workout. Strategic support is built in to the nearly seamless upper of the GEL-Quantum 180™, creating a sleek and comfortable fit. Weight: 9.4 oz. Heel Height: 21mm. Forefoot Height: 11mm.