Support Type: Overpronation/Stability. Cushioning: High energizing cushioning. Surface: Road. Differential: 12 mm. Limited Edition Colors: The bustling transit patchwork of the Underground London Tubes comes to life on the Rapid Transit (Electric Blue/High Risk Red/Black/Cyber Yellow), in a theme influenced by the London Marathon. The all-American-themed plaid and subtle, nautical-inspired print accents of the Nantucket (Poppy Red/Peacoat Navy/Strong) perfectly capture the coastal culture of the eastern seaboard, in a design influenced by the Boston Marathon. Vibrant retroreflective pattern of the Bright Lights, Big City (Black/Silver/White) evokes visions of Time Square's neon glow, in a design inspired by the New York City Marathon. Built for the moderate overpronator who requires a combination of cushioning and stability. Lightweight, breathable, moisture-managing Element mesh and synthetic uppers protect feet from the various elements. Adjustable mid-foot saddle creates a more secure, customizable fit. Lace-up closure. Plush tongue and collar. Breathable, moisture-wicking Element linings. Removable molded foam insole supplies light underfoot cushioning. BioMoGo DNA has a gender-friendly cushioning design, making for a dynamic ride. Progressive Diagonal Rollbar®: tri-density midsole designed to promote progressive pronation control, as well as smoother transitions throughout the gait cycle. Full-length, segmented Crash Pad ensures smooth transitions. Blown rubber forefoot. HPR Plus delivers long-lasting durability in high-wear areas of the outsole. Flextra rubber outsole piece offers a varied degree of support corresponding with gender and weight for enhanced flexibility. Deeper V-groove offers better release and improves transitions.