Under Armour Womens Micro G Engage BL, Hi-Viz Yellow/Bright Yellow, 8 B Synthetic-and-mesh Breathable mesh upper with structured overlays for a supportive lock down fit Full-length Micro G midsole delivers the ultimate lightweight and responsive ride Strategically placed flex groves deliver a natural and cushioned ride built to move with your foot Full-length 4D Foam sockliner conforms to your foots exact shape, eliminating internal slipping for the ultimate locked in comfort Solid rubber covers high wear areas for lasting durability