Dr. Denim High Waist Solitaire Jean in Black. - size XS (also in M, S) Dr. Denim High Waist Solitaire Jean in Black. - size XS (also in M, S) 98% cotton 2% elastane. Zip fly with button closure. Faux front pockets. Back patch pockets. 10 at the knee narrows to 8 at the leg opening. Imported. DRDR-WJ24. 1210101101. 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.