APL: Athletic Propulsion Labs Zipline Sneaker in Navy. - size 9 (also in 10, 6, 6.5, 7, 7.5, 8, 8.5, 9.5) APL: Athletic Propulsion Labs Zipline Sneaker in Navy. - size 9 (also in 10, 6, 6.5, 7, 7.5, 8, 8.5, 9.5) TechLoom upper with rubber sole. Made in China. Lace-up front. Engineered ribbing along the tongue and collar to provide stretch where it?s needed. New APL TechLoom Ziplines completely surround the upper, providing both lateral and longitudinal support. Back pull-tab. AHPR-WZ329. 2-2-013-324-411. Athletic Propulsion Labs offers unique sportswear that fuses technology, performance and fashion, enabling athletes to maximize their potential in all aspects of their life. The revolutionary products symbolize the ultimate intersection of design and performance.