APL: Athletic Propulsion Labs TechLoom Chelsea Sneaker in Pink. - size 10 (also in 9) APL: Athletic Propulsion Labs TechLoom Chelsea Sneaker in Pink. - size 10 (also in 9) Textile knit upper with rubber sole. Pull-on styling. Imported. AHPR-WZ83. 2 4 004 319 227. 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.