APL Men's Size Chart Pursue your favorite sport wearing the Athletic Propulsion Labs (APL)&trade Streamline shoes. Man-made upper with APL&trade AeroLux technology that offers breathability and support. Man-made lining and removable insole. Lace-up closure. Almond toe. Collar pull tab. Padded collar. Contrast curvy design on the toe and sides. Branding on the tongue. FutureFoam midsole, rubber outsole. Imported. Weight of footwear is based on a single item, not a pair. Measurements: Weight: 9 oz Product measurements were taken using size 9, width D - Medium. Please note that measurements may vary by size. Weight of footwear is based on a single item, not a pair.