Product Information SKU: #8620609You wouldn't leave home without having had a well balanced breakfast, right? They why miss out on the bread and butter of your running routine by skipping the opportunity to lace into the ASICS? GT-2000™ 4 running shoe?!Predecessor: GT-2000 3.Support Type: Overpronation/Stability. Cushioning: High energizing cushioning. Surface: Road. Differential: 10 mm. Breathable mesh and synthetic upper materials. Lace-up closure. Discrete eyelets disburse lace tension for optimal comfort. Soft, plush tongue and collar. Heel Clutching System™ is made up of an exoskeletal heel counter that promotes an improved fit and increased support.ComforDry™ sockliner offers antimicrobial properties for a drier, healthier environment.I.G.S? (Impact Guidance System) features linked components to enhance the foot's natural gait from heel strike through toe-off.Dynamic DuoMax? System increases stability and support with reduced weight and enhanced platform comfort.Rearfoot & forefoot GEL? cushioning systems work together to better attenuate impacting shock and allow the foot to move fluidly throughout the gait cycle.FluidRide™ midsole technology delivers a supreme combination of energy return and cushioning with reduced weight and lasting durability.Gender-specific cushioning features a lower-density midsole top layer that allows for ladies to better enjoy midsole compression benefits.Heel/Toe: 21 mm/11 mmAHAR? is strategically placed throughout high-wear areas of the outsole.Guidance Line? technology employs a vertical flex groove that decouples the tooling along the line of progression for maximum stride efficiency.Guidance Trusstic System? integrates Guidance Line construction to enhance gait efficiency while promoting mid-foot structural integrity.Imported.Weight of footwear is based on a single item, not a pair.