Shell: 100% acrylicTrim: 65% cotton 35% polyamide. Hand wash cold. Contrast lace shoulder panel. Ribbed trim. ESSE-WK12. IMPRIMIPIATI. The German-based hubby and wife team, Esfan Eghtessadi and Inge Onsea bore what began as a t-shirt collection out of love. Eventually the two, launched a ready-to-wear collection which took European by storm and in 2004 they launched a mens collection. From trendy dresses to quirky tops and tees, Essentiel has that special European feel, but features stateside flair all at once.