Product Information SKU: #8523254Kick up your heels and hit the streets in the smooth, cushioned, stable platform that the latest iteration of the ASICS? GT-1000™ 4 running shoe has to offer!Successor to the GT-1000 3.Built for mild to moderate overpronator who requires a blend of enhanced cushioning and stability. Engineered mesh upper with minimal, yet supportive synthetic overlays. Lace-up closure. Lightly padded tongue and collar.Breathable fabric lining offers a great in-shoe feel.Removable foam insole.I.G.S? (Impact Guidance System) employs linked componentry to boost the foot's natural gait from heel strike through toe-off.Rearfoot and Forefoot Gel? systems work together to reduce impacting shock and allow movement in multiple planes from heel strike through toe-off.SpEVA? midsole material maximizes energy return while reducing midsole breakdown.Dual-density DuoMax? Support System midsole is positioned specifically for running to augment support and stability.Midsole Height: Heel/Toe: 21 mm/11 mm Differential: 10 mmDurable rubber outsole.Guidance Trusstic System? integrates Guidance Line construction to increase gait efficiency, while promoting mid-foot structural integrity.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, width B - Medium. Please note that measurements may vary by size.Weight of footwear is based on a single item, not a pair.Measurements: Weight: 10 oz