Go further than you thought possible with the Asics GEL-CUMULUS 21. Designed to cushion and support your feet over long distances, this shoe boasts FLYTEFOAM Propel technology for excellent bounce and energy. The combination of rear and forefoot GEL® technology means you benefit from a level of shock absorption not available in other shoes. The GUIDANCE LINE technology in conjunction with the I.G.S enhances your gait efficiency. Ventilation is provided by the engineered jacquard mesh upper, so your feet will remain cool even when your run heats up. With the GEL-CUMULUS 21, you'll be able to take on those extra miles in comfort and style.