JACQUARD MESH UPPER Allows your feet to breathe, this ASICS running shoe is all about going the distance, providing exceptional support and comfort over long periods of time. 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. FLYTEFOAM LYTE TECHNOLOGY ASICS lightest weight midsole formulation that provides continuous cushion thanks to organic nano fibers. SURFACE Road HEEL DROP 13 mm WEIGHT 261 g/9.2 oz SUPPORT Neutral CUSHION Maximum, Overpronation UNDERPRONATION IS How Your Foot Contacts The Ground: The outside of the heel hits the ground at an increased angle with minimal pronation, causing shock to the lower leg. Push-Off: You experience pressure on your outer toes. Considered Injuries: Plantar fasciitis, shin splints, ankle strain. Foot Type: High arches. NEUTRAL FOOT TYPE IS How Your Foot Contacts The Ground: Your foot lands on the outside of the heel and then rolls inward, absorbing impact on the body. Push-Off: Your experience even distribution from the front of the foot. Considered Injuries: Getting hurt is less likely due to effective shock absorption, but not impossible. Foot Type: Normal-size arches. OVERPRONATION IS How Your Foot Contacts The Ground: Your foot lands on the outside of the heel and then rolls inward, transferring excess weight. Push-Off: Your experience pressure mainly on your big toe and second toe. Considered Injuries: Shin splints, plantar fasciitis, bunions, heel spurs. Foot Type: Low arches or flat feet.