Back pull-tab. Athletic Propulsion Labs offers unique sportswear that fuses technology, performance and fashion, enabling athletes to maximize their potential in all aspects of their life. Lace-up front. The revolutionary products symbolize the ultimate intersection of design and performance. APL: Athletic Propulsion Labs TechLoom Breeze Sneaker in Brown. Propelium TM is designed to maximize energy generation and provide superior comfort. Newly developed lightweight Propelium TM midsole and new traction pattern. Rubberized APL logo at tongue. Made in China. Color: multicolor