Boden, size 12, black, long sleeve Zeta lace overlay Ponte top. The body is lined, the sleeves are unlined. It feels heavier, not thin. The back has a concealed zipper. It's perfect for wearing with jeans or wearing dressed up with a skirt or slacks. Outer layer: 38% polyamide, 35% cotton, 27% viscose Inner bodice: 39% cotton, 29% polyamide, 27% modal, 5% elastane. Dry clean only. If you have any questions, please ask. Thank you! :)