Get the perfect balance of cushioning and stability in the ASICS GT-2000™ 4 running shoe. The supportive Dynamic DuoMax® and Guidance Trussic System® enhance gait efficiency, while the Rearfoot and forefoot GEL® cushioning systems offers the ultimate in smooth rides.Item # 477220AHARAHAR®APMA approvedAPMA Seal of AcceptanceApprox. forefoot height: 11mmApprox. heel height: 21mmApprox. weight: 8.4 oz.ComforDry™ComforDry™ liningCushioned footbedDiscrete eyeletsDynamic DuoMax®Dynamic DuoMax® support systemFluidRide®FluidRide®Forefoot GEL® Cushioning SystemGender-Specific cushioningGender-Specific CushioningGuidance Line®Guidance Line®Guidance Trussic System®Guidance Trusstic System®Heel Clutching System™Heel Clutching System™Impact Guidance System (I.G.S.®)Impact Guidance System (I.G.S®)Lace entryMesh and synthetic upperPadded tongue and collarRearfoot and forefoot GEL® cushioning systemsRearfoot Gel® Cushioning SystemRubber outsoleTextile liningStyle Number: T656N-9342, T659N-9342, T658N-9342, T657N-9342