Engineered jacquard mesh upper: Creates a softer feel against the foot while improving breathability. AMPLIFOAM cushioning: Improves durability and creates a more flexible feel at footstrike. Rearfoot GEL technology: Improves impact absorption and creates a softer feeling at footstrike. Ortholite Sockliner: Moisture management (Ortholite is a registered trademark of O2 Partners LLC). Guidance Line Midsole Technology: Vertical flex groove decouples the tooling along the line of progression for enhanced gait efficiency. The GEL-EXCITE 9 shoe is a comfortable trainer for the casual fitness runner. Thanks to its engineered jacquard mesh upper, this material increases airflow while creating a softer feel against your foot. A combination of AMPLIFOAM cushioning and GEL technology are placed in the midsole. These features provide better impact absorption with a more forgiving landing at footstrike.