lukka lux Metric Pullover in Gray. - size S (also in XS) lukka lux Metric Pullover in Gray. - size S (also in XS) Self: 68% poly 27% rayon 5% spandexContrast: 59% poly 31% rayon 10% spandex. Fleece fabric. Imported. LUKR-WK3. EC338FL19. With roots in NYC, Lukka Lux is an Activewear brand that offers high-end athletic and athleisure apparel. With different cuts and fabric blocking details keeping the brand up-to-date, there's only looking forward on their horizon.