3D stretch rebound TechLoom upper with rubber sole. Made in China. Lace-up front. Strategically placed ventilation zones allow enhanced airflow. Phantom lace loop eyelet offers the option to tuck your laces for streamline look. Convertible design allows you to remove your laces completely. Propelium ™ is designed to maximize energy generation and provide superior comfort. Lightweight Propelium ™ midsole. AHPR-WZ327. 2-2-009-319-070. 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.