Asics Women's GEL-Cumulus® 13 running shoes feature a synthetic and mesh upper with discrete eyelets. ComforDry™ insole provides an optimal cushioning performance system that creates a cooler, drier, healthier shoe environment. 2 layers of memory foam line the collar and mold to the athlete's heel, creating a personalized fit. Lighter weight Solyte® midsole material for enhanced cushioning and durability. Rear-foot and Forefoot GEL® Cushioning Systems attenuates shock during impact and toe-off phases, and allows movement in multiple planes as the foot transitions through the gait cycle. Space Trusstic System® stabilizes the mid-foot and increases gait efficiency. Guidance Line™ vertical flex grooves decouples the tooling along the line of progression for enhanced gait efficiency. Impact Guidance System directs the foot from heel to toe, allowing the runner to perform in a more natural manner. Rubber outsole provides traction and durability.