Non-stretch Techloom knit upper with rubber sole. Made in China. Lace-up front limits lace-loosening during workouts to keep you locked in to perform your best.. Molded lycra collar and tongue. Propelium midsole. The 8mm drop from the heel to the forefoot places your foot in a natural position for efficient running.. AHPR-WZ278. 2-2-011-422-749. 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.