Internal cage provides additional support and customizable lockdown. APL: Athletic Propulsion Labs TechLoom Wave Sneaker in Neutral. Lace-up front. The revolutionary products symbolize the ultimate intersection of design and performance. Propelium TM is designed to maximize energy generation and provide superior comfort. Athletic Propulsion Labs offers unique sportswear that fuses technology, performance and fashion, enabling athletes to maximize their potential in all aspects of their life. Strategically placed ventilation zones allow enhanced airflow. Convertible design allows you to remove your laces completely. Made in China. Color: white