Nike Lunareclip Running Womens Shoes Size 11.5 Made in USA Upper: Evolved Flywire technology hugs the entire length of foot with customizable lightweight support. Heel clip engages upon footstrike for snug fit and support Midsole: Lunarlon cushioning system with a "bottomless" carrier construction and the Dynamic Support platform provide support and plush cushioning Outsole: Natural-motion-engineered flex grooves promote an efficient stride. BRS 1000 at heel. Environmentally preferred rubber everywhere else This shoe provides lightweight support for the mild to moderate overpronator