3D stretch TechLoom upper with Propelium sole. Lace-up front. 100% vegan. Midsole/outsole developed for direct ground contact, reducing the weight of shoes. Propelium sole maximizes energy generation and provides superior comfort. Outsole incorporates natural motion flex grooves that react to every movement. 8mm drop from the heel to the forefoot places your foot in a natural position for efficient running. Imported. AHPR-WZ126. 2-2-005-420-279. 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.