A durable AHAR® outsole ensures versatile, cushioned grip, while the ASICS® GT-1000™ 5 running shoe’s SpEVA® and Guidance Line midsole ensures lightweight padding and stability you can rely on.Item # 515901AHAR®AHAR® outsoleDuoMax®DuoMax® Support SystemGEL® Cushioning SystemGuidance Line Midsole TechnologyGuidance Line®Guidance Trusstic System®Guidance Trusstic System® TechnologyI.G.S.® (Impact Guidance System) TechnologyImpact Guidance System (I.G.S.®)Lace entryMesh and manmade upperPadded tongue and collarRearfoot and Forefoot GEL® Cushioning SystemsSpEVA® MidsoleSpEVA® Midsole MaterialTextile liningStyle Number: T6A8N-9099, T6A9N-9099