From Ryka, the Women's Uplift LX Running Sneakers feature: Breathable engineered mesh upper APMA APPROVED: Awarded the American Podiatric Medical Association Seal of Acceptance for products that promote good foot health Low-profile padded tongue and padded heel High-abrasion collar lining for longer wear Molded heel stabilizer Pull tabs for easy on/off Lace up front with SecureFit™ lacing system to enhance fit and reduce friction Breathable linings with anti-odor and anti-microbial treatment  Anatomical insole for arch and heel support Midsole of lightweight Q:foam plus full-length RE-ZORB® responsive cushioning  Rubber outsole with flex during acceleration with textured surface for traction Molded SGS stability shank to promote stability and reduce pronation + ASF™ (Absorb/Support/Flex) technology Approx. 1.875" heel height Weight: 286 g/10.1 oz per shoe Heel-to-toe drop: 8 mm Imported.