The men's GEL-CUMULUS™ 21 LS performance road running shoe by ASICS features our premium technologies to help runners go further. FLYTEFOAM™ Propel and FLYTEFOAM™ Lyte technology provides energised cushioning underfoot, while rear and forefoot GEL™ technology creates outstanding levels of shock absorption. I.G.S™ (Impact Guidance System) technology helps the feet stay aligned in their natural gait, while the EVA sockliner moulds to the shape of the foot for additional comfort. The LITE-SHOW™ technology reflective detailing ensures visibility even at lower light levels.
REARFOOT AND FOREFOOT GEL TECHNOLOGY CUSHIONING SYSTEMS
Attenuates shock during impact and toe-off phases, and allows movement in multiple planes as the foot transitions through the gait cycle.
SPEVAFOAM™ 45 LASTING
Employs 45 degree full length SpevaFoam™ 45 lasting material for a soft platform feel and improved comfort.
Contains reflective materials designed to enhance visibility during low light hours.
The technology in this product
FLYTEFOAM® technology provides exceptional bounce back and responsiveness no matter the distance, utilizing organic super fibers to help reduce packing out that traditionally happens with softer, low density foams.
Vertical flex groove decouples the tooling along the line of progression for enhanced gait efficiency.
Impact Guidance System (I.G.S.®)
ASICS® design philosophy that employs linked componentry to enhance the foot's natural gait from heel strike to toe-off.
Acronym for ASICS® High Abrasion Rubber. Placed in critical areas of the outsole for exceptional durability.
Contains reflective materials designed to enhance visibility during low-light hours.