Go the extra mile in HiiT workouts or daily runs in these premium women's running sneakers with groundbreaking technology. Design: APMA APPROVED: Awarded the American Podiatric Medical Association Seal of Acceptance for products that promote good foot health. RYKAQ TECH: Built for a woman's quadricep muscle Q ANGLE with a narrower heel, roomier toe + contoured cushioning for stability. MATERIALS: Breathable engineered mesh with padded tongue and heel pull + Padded heel + High-abrasion collar lining for longer wear + Breathable linings with anti-odor and anti-microbial treatment + Molded heel stabilizer. CLOSURE: Lace-up front with soft, brushed shoe laces + Pull tabs for easy on/off. INSOLE: Anatomical Q:insole for arch + heel support with anti-odor and anti-microbial treatment. OUTSOLE: Compression molded rubber with decoupled molded heel and arch support pod. In-Shoe Comfort: MIDSOLE: Lightweight Q:Foam for soft cushioning and high energy return + Full-length RE-ZORB LITE(R) responsive cushioning Additional Details: This shoe runs slightly large. We recommend sizing down 1/2 size for the best fit. WEIGHT: 265.7g/9.3oz per shoe Drop: 10mm RYKASHIELD STAIN PROTECTANT: Product works best by cleaning immediately after a spill by running cold water over the shoe. Use only cold water to remove the following stains: dirt, mud, coffee, ketchup, blood. Do not wipe the shoe with any product, including water, as it can cause the stain to be absorbed into the material. Results may vary and Ryka does not guarantee that this product will work to remove any and all stains, particularly after repeated use.