Product Information SKU: #9017611Breathe life back into your workout with the ASICS? GT-1000 5 running shoe!Successor: GT-1000 4.Support Type: Overpronation/Stability.Cushioning: High energizing cushioning.Surface: Road.Differential: 10 mm.Engineered mesh upper with minimal, yet supportive synthetic overlays. Lace-up closure. Plush 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.Heel/Toe: 21 mm/11 mm.DURASPONGE? rubber outsole for greater cushioning and durability in the forefoot. 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 11.5, width D - Medium. Please note that measurements may vary by size.Weight of footwear is based on a single item, not a pair.Measurements: Weight: 1 lb 1 oz