Under Armour Women's UA Micro G Pulse II Running Shoe Synthetic-and-mesh Upper: Two-tone mesh with synthetic overlays for locked-in midfoot support Midsole: Full-length Micro G midsole creates an incredibly lightweight and responsive ride Footbed: Die-cut 4D Foam sock liner conforms to your foot's exact shape, eliminating slippage Outsole: Durable blown rubber outsole in high-wear areas for long-lasting durability