APL Athletic Propulsion Labs - Streamline Rubber-Trimmed 。Rigorous testing and a commitment to sporting technology means APL Athletic Propulsion Labs delivers consistently. , These \'Streamline\' sneakers are set on the brand\'s \'FutureFoam\' midsoles, built for rebound, energy and compression , A slanted shank plate increases forward motion while you\'re running so you don\'t have to work as hard , The \'AeroLux\' uppers are made from lightweight, breathable ripstop that reduces drag , 3D-moulded padded heels and collars for optimal comfort 80% Various Materials 20% Textile fibres