Under Armour Women's Micro G Assert 6 Running Shoe 100% Leather, Textile, Synthetic, Ethylene Vinyl Acetate, Rubber Imported Rubber sole Upper uses light, supportive foam underneath a soft layer of breathable mesh Durable leather overlays for stability that locks in your midfoot Full-length EVA sock liner for added comfort & a custom fit Full-length Micro G foam turns cushioned landings into explosive takeoffs Strategically placed rubber traction covers high impact zones for greater durability with less weight