Helsa Classic Oversized Shirt in Tech Poplin in Blue. - size XS (also in L, M, S, XL, XXS) Helsa Classic Oversized Shirt in Tech Poplin in Blue. - size XS (also in L, M, S, XL, XXS) Self: 63% nylon 37% cotton Lining: 100% cotton. Hand wash. Front button closure. Breast pouch pocket. Buttoned cuffs with contrast fabric. Poplin fabric. HLSA-WS198. HES10000 U25. Inspired by her Scandinavian heritage, founder Elsa Hosk, honors the philosophy of timeless wardrobe staples, comfort, functionality, and minimalism. Influenced by the colors and materials found in nature, Helsa focuses on an Earth-First approach creating well-made pieces that offer a true sense of confidence and leisure that will last you season after season.