The Ryka® Uplift LX shoes are women's athletic lace-up sneakers that are designed for performance running. APMA-approved, they are proven in the lab for performance running and walking with exceptional cushioning and acceleration, resulting in a smooth ride, soft cushioning with high energy return, and ample shock absorption, offering subjective comfort/cushioning/ride/impact scores as good as or higher than competitive benchmarks. Their lightweight Q:Foam midsole with with density calibrated to a woman's body mass and gait and full-length RE-ZORB® responsive heel cushioning offer shock absorption. The breathable, engineered mesh upper is styled with a low-profile padded tongue and padded heel, a high-abrasion collar lining for longer wear, a breathable polyester lining, and a molded heel stabilizer. These low-top sneakers are made of an anatomical, cushioned insole for arch and heel support. Their lace-up front with SecureFit™ lacing system enhances fit and reduces friction. These lace-up shoes feature ASF™ (Absorb/Support/Flex) technology that supports each phase of a runner's stance.