ASICS Men's GT-2150 Running Shoe Synthetic and mesh Rubber sole Impact Guidance System (I.G.S.) (RUNNING) employs linked componentry that enhances the foot's natural gait from heel strike to toe-off Space Trusstic System creates a pocket between the Trusstic System device and the midsole, allowing for controlled midsole deformation and more efficient foot function. ComforDry Sockliner Solyte Midsole Material is a lighter weight midsole compound than ASICS' standard EVA and SpEVA. Also features enhanced cushioning and durability. DuoMax Support System enhances support and stability, positioned sport specifically