The GEL-Kayano® 21 is updated with nothing but the best in ASICS technical innovation, featuring the next generation of FluidRide® and a ComforDry™ X-40 sockliner for the lightest and most luxuriously stable ride yet. Mild to moderate overpronators will enjoy a more comfortably secure upper, uniquely designed with a new heel construction that complements the premium FluidFit® upper and Heel Clutching System™. Weight: 8.9 oz. Heel Height: 24mm. Forefoot Height: 11mm.
I.G.S® (IMPACT GUIDANCE SYSTEM) TECHNOLOGY
ASICS design philosophy that employs linked componentry to enhance the foot’s natural gait from heel strike to toe-off.
ASICS FluidRide® midsole provides the ultimate combination of bounce back and cushioning properties with reduced weight and exceptional durability.
ASICS FluidFit® upper technology combines multi-directional stretch mesh with stretch reinforcements that adapt to the athlete’s foot, creating a truly customized glove-like fit.
HEEL CLUTCHING SYSTEM™ TECHNOLOGY
Exoskeletal heel counter provides improved support and creates improved heel fitting environment.
REARFOOT AND FOREFOOT GEL® TECHNOLOGY CUSHIONING SYSTEM
Attenuates shock during impact and toe-off phases, and allows movement in multiple planes as the foot transitions through the gait cycle.
DYNAMIC DUOMAX™ SUPPORT SYSTEM
This evolution of DuoMax® system enhances stability and support, with reduced weight and increased platform support.
GUIDANCE LINE® MIDSOLE TECHNOLOGY
Vertical flex groove decouples the tooling along the line of progression for enhanced gait efficiency.
GUIDANCE TRUSSTIC SYSTEM™ TECHNOLOGY
This Trusstic System® Technology integrates Guidance Line® construction for enhanced gait efficiency while providing midfoot structural integrity.
ORTHOLITE® X-40 SOCKLINER
This premium sockliner features higher rebound properties while providing excellent moisture management and a high-level of breathability (Ortholite is a registered trademark of ATP Manufacturing LLC.)
Women’s models feature a lower-density top layer in the midsole, allowing female athletes to better enjoy the benefits of midsole compression.
PLUS 3® MIDSOLE TECHNOLOGY
3mm of additional height on women’s models helps relieve achilles tension.