Under Armour Women's UA Micro G Engage Running Shoes Synthetic Imported Lightweight, breathable mesh upper with structured overlays for a super-supportive, locked-in fit Full-length Micro G&reg; foam midsole creates an incredibly lightweight and responsive ride Strategic flex grooves natural movement without sacrificing cushion Die cut 4D Foam&reg; sock liner conforms to your foot for customized fit Solid rubber outsole in high-wear areas to deliver long lasting durability