NIKE Men's Free 5.0 Running Shoe Orange/Blue/White Size 11.5 M US mesh Lightweight meshes coupled with dynamic Flywire technology offer a breathable and secure lock down while seamless inner booty gives a plush and comfortable fit. New Flex pattern offers 6 directions of motion providing the most flexible outsole to date. Strategically placed rubber lugs for added durability. Flex grooves within the Phylon midsole allow the foot to move naturally in multiple directions.