3D stretch rebound TechLoom upper with rubber sole. Made in China. Lace-up front. Convertible design allows you to remove your laces completely, transforming your shoes into a slip-on. Propelium ™ is designed to maximize energy generation and provide superior comfort. Lightweight Propelium ™ midsole. Rubberized APL logo at tongue. Back pull-tab. AHPR-WZ315. 2-2-009-124-101. 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.