Dr. Denim Demi Singlet Tank in White. Size S, XS, M, L. 95% cotton 5% elastane. Rib knit fabric. Raw cut hem. Made in Turkey. DRDR-WS7. 2011128199. Keeping faith in the theory that every day is a denim day, Dr. Denim is a Gothenburg, Sweden-based fashion label that values the power of the perfect pair of jeans. By combining functionality, affordability and fashion, the brand's expansive collection includes not only high-quality denim garments, but comfortable, non-denim closet staples to flawlessly match.