Under Armour Men's Boys' Grade School Micro G Assert 6 Running Shoe 100% Mesh/Durable Leather Imported Rubber sole Upper uses light, supportive foam between two soft layers of breathable mesh Durable leather overlays for stability that locks in your midfoot Anti-odor technology prevents the growth of odor-causing microbes 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