The ASICS GT-2000 8 running shoes! Predecessor: GT-2000 7. Support Type: Overpronation/Stability. Cushioning: High energizing cushioning/Lightweight, flexible response. Surface: Road. Differential: 10 mm. Heel/Toe: 22 mm/12 mm. Breathable mesh and synthetic uppers provide superior fit, breathability and durability. 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. Ortholite sockliner provides excellent support and reliable cushioning for long-lasting wear. I.G.S (Impact Guidance System) features linked components to enhance the foots natural gait from heel strike through toe-off. Dynamic DuoMax Support System increases stability and support with reduced weight and enhanced platform comfort. SpevaFoam 45 lasting employs 45-degree full-length lasting material for a soft platform feel and improved comfort. Rearfoot forefoot GEL cushioning systems work together to better attenuate impacting shock and allow the foot to move fluidly throughout the gait cycle. FlyteFoam Lyte Technology midsole provides continuous cushioning and underfoot support due to organic nano fibers that help prevent packing out. SpevaFoam midsole provides excellent shock absorption and decreases midsole breakdown. 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. HG10MM Heel Gradient shifts body mass forward reducing the strain on lower limbs. Durable AHAR rubber outsole for excellent ground contact and long-lasting support with each step. Imported. Measurements: Weight: 10 oz Product measurements were taken using size 9, width D - Medium. Please note that measurements may vary by size. Weight of foot