PRODUCT DETAILS
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.

PRODUCT FEATURES

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.

FLUIDRIDE MIDSOLE
ASICS FluidRide midsole provides the ultimate combination of bounce back and cushioning properties with reduced weight and exceptional durability.

FLUIDFIT UPPER
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.)

GENDER-SPECIFIC CUSHIONING
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.