APL: Athletic Propulsion Labs Techloom Phantom Sneaker in Mauve. - size 7.5 (also in ) APL: Athletic Propulsion Labs Techloom Phantom Sneaker in Mauve. - size 7.5 (also in ) Knit textile upper with rubber sole. Lace-up front. AHPR-WZ69. 2 2 005 118 644. 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.