The men's GEL-CUMULUS™ 21 performance road running shoe by ASICS is designed to help runners go further than they thought possible - now available in a limited design edition as part of our Shine collection. FLYTEFOAM™ Propel technology provides premium cushioning, while rear and forefoot GEL™ technology offers excellent levels of shock absorption, even over long distances. The shoes boasts GUIDANCE LINE™ technology to enhance gait efficiency and I.G.S™ (Impact Guidance System) technology to provide stability of movement as the miles clock up. The rubber AHAR™ compound at key areas of the outsole helps reduce the effects of wear over time, making this a performance running shoe that's really built to last.