From sundown to sunrise, runners can rule the roads in the Asics Women's GEL Cumulus 17 Lite Show. The sleek upper features highly reflective reinforcement materials and modern seamless construction. This added visibility will enable underpronators to mild overpronators to enjoy the FluidRide midsole and ample Rearfoot and Forefoot GEL Cushioning units any time of day. Impact Guidance System I.G.S. Linked componentry enhances the foot's natural gait from heel strike to toe off. FluidRide Ultimate combination of bounce back and cushioning properties with reduced weight and exceptional durability. Rearfoot and Forefoot GEL Cushioning System Attenuates shock during impact and toe off phases, and allows movement in multiple planes as the foot transitions through the gait cycle. Guidance Line Vertical flex groove decouples the tooling along the line of progression for enhanced gait efficiency. Guidance Trusstic System Integrates Guidance Line construction for enhanced gait efficiency while providing midfoot structural integrity. Seamless Construction Reduces the potential for irritation and friction caused by traditional stitches and seams. Discrete Eyelets Independently placed eyelets disburse lace tension, creating a customized fitting environment and enhanced upper comfort. ComforDry Sockliner Provides cushioning performance and anti odor properties for a cooler, drier and healthier environment. Reflectivity Designed to enhance visibility during low light hours. Midsole Heights: Heel 22mm, Forefoot 12mm. Good for under pronators supinator to neutral foot. Avg. wt. 9.4 oz.