Vivienne Westwood Organic Felpa Sweatpants Grey. Vivienne Westwood presents this classic pair of skinny fitting track suit sweat pants from the latest collection. They feature a two tone style base with the left leg featuring a marl blue base whilst the right side has a dark marl grey base with a pattern black print throughout. It also has matching grey ribbed cuffing on the waist & leg ends. Finally it has been finished with a small white Vivienne Westwood print on the left thigh.