Your stride and style are on point when you hit the gym in the ASICS® GEL-Kinsei® 6 running shoe!Successor to the GEL-Kinsei 5.Built for the underpronator to neutral runner seeking enhanced cushioning. Breathable mesh and thin synthetic upper materials. FluidFit® upper technology combines multidirectional stretch mesh with stretch reinforcements for a glove-like fit. Seamless construction helps reduce the likelihood of irritation. Discrete eyelets helps disburse lace tension.Lace-up closure. Heel Clutching System™ is made up of an exoskeletal heel counter that promotes an improved fit and increased support.Plush tongue and collar. Breathable fabric lining offers a great in-shoe feel. ComforDry™ X-40 sockliner provides antimicrobial properties for a drier, healthier environment.I.G.S® enhances the foot's natural gait from heel strike through toe-off.FluidRide® midsole technology delivers a supreme combination of energy return, plush, and durability.Rearfoot and forefoot Gel® cushioning attenuates impacting shock and allows the foot to move fluidly throughout the gait cycle.Gender-specific design features a lower-density top midsole layer that allows female athletes higher midsole compression.Discrete Heel Unit technology enhances the I.G.S system by creating the ultimate in shock attenuation and stability.Heel/Toe: 20 mm/10 mmDifferential: 10 mmAHAR® is strategically placed throughout high-wear areas of the outsole.Propulsion Trusstic® mimics connective tissues in the foot by creating tension as the foot enters the propulsion phase.Guidance Line® technology employs a vertical flex groove that decouples the tooling along the line of progression for maximum stride efficiency.Imported. Product measurements were taken using size 8.5, width B - Medium. Please note that measurements may vary by size.Weight of footwear is based on a single item, not a pair.