SUPPORT | STABILITY Dynamic Support DuoMax DuoMax upgrade: dual midsole for support and stability. Lighter and More Comfortable. | MATERIAL | SpEVA midsole Improves bounce and reduces wear midsole | GUIDANCE. | EFFICIENCY | Guidance Line Vertical, flexible groove decouples the operation of the progress line for efficient running. | INSOLE | Comfortdry sockliner Removable lining for performance cushioning and drainage for a cooler, drier, healthier environment | GUIDANCE. | EFFICIENCY | Impact Guidance System Improve the natural pass from the base through the use of linked components in the design. | other: GUIDE | EFFICIENCY: Guidance Line, Guidance Trusstic MUTE | COMFORT: SpEVA 55 Lasting VISIBILITY: 3M Reflective MUTE and shock absorption: Rear Foot / Forefoot GEL Cushioning SUSTAINABILITY | GRIP: Solid rubber outsole |