ASICS Men's Gel-Surveyor 5 Running Shoe 100% Synthetic Imported Rubber sole Shaft measures approximately Low-Top" from arch I.G.S (Impact Guidance System) Technology: ASICS design philosophy that employs linked componentry to enhance the foot's natural gait from heel strike to toe-off. FluidRide Midsole: FluidRide provides the ultimate combination of bounce back and cushioning properties with reduced weight and exceptional durability. Dynamic DuoMax Support System: This evolution of DuoMax system enhances stability and support, with reduced weight and increased platform support. Dynamic DuoMax Support System: This evolution of DuoMax system enhances stability and support, with reduced weight and increased platform support. Guidance Trusstic SystemTechnology: This Trusstic System integrates Guidance Line construction for enhanced gait efficiency while providing midfoot structural integrity.