NIKE Girl's Free Run 3 (Girl's) Photo Blue/Volt 6 Medium (D) Upper: Breathable mesh and a multi-layer construction for a lightweight, second-skin-like fit Midsole: Ultra-high resolution siping pattern for an incredibly smooth, naturally neutral ride Outsole: Abrasion-resistant rubber under the highest wear regions for enhanced durability Lightweight support and flexibility help provide a broad range of motion that is ideal for the developing feet of a young athlete runner