The Piston is a solid, deluxe, modern skateboard shoe from Etnies. This skate shoe is fully loaded featuring an extra padded tongue and collar, lightweight cupsole construction, EVA sole window for better flex, double stitching, beefed up skate areas, and an STI Foam Lite 1 footbed. Made for long skate sessions or long days at school. The Piston is a skateboard shoe that will take whatever you throw at it.