Go further than you ever thought possible with the mens GEL-CUMULUS® 21 LS performance road running shoe by ASICS. This premium shoe offers supreme bounce and energy thanks to FLYTEFOAM® Propel and FLYTEFOAM® Lyte technology, while the combination of rear and forefoot GEL® technology offers unbeatable levels of shock absorption and cushioning. The shoe has outstanding support as you move, with I.G.S® (Impact Guidance System) technology ensuring your feet stay in their natural gait. Extra stability is provided by the internal heel counter and GUIDANCE LINE™ technology, which enhances the efficiency of your stride, giving you the energy you need to take on those extra miles. /p> If youre running long distances, you need a shoe thats built to last. Weve added our highly resistant AHARPLUS™ compound at high impact areas of the outsole to reduce the effects of abrasion and long-term wear. The GEL-CUMULUS® 21 LS shoe also features an engineered jacquard mesh for breathability that keeps your feet feeling fresher for longer. Meanwhile, the LITE-SHOW™ technology reflective detailing means youll always capture attention, even when the light begins to fade. It all adds up to a running shoe you can count on as you look to boost your performance and reach new distances.