NWOT - No tag but zipper is still covered in plastic The Serenity dress by Derek Lam 10 Crosby is crafted of shimmering metallic fabric in a sleeveless style. Jewel neck Sleeveless Back zipper closure 100% polyester Lining: 100% polyester Dry clean Imported SIZE & FIT About 36.5" from shoulder to hem Model measurements: 5'10" tall Model is wearing a US size 4 ABOUT THE BRAND Eight years after founding his eponymous brand, Derek Lam launched Derek Lam 10 Crosby in 2011, named after the address of his New York City office. Staying true to his downtown aesthetic, Lam designs feminine, relaxed pieces for all occasions.