Vests Off White Off Bookish Rib Tanktop Black White Entire Studios Off White Rib Tank Top Entire Studios Vests Off White Off Bookish Rib Tank Grey Melange Black RIB JERSEY OFF WHITE White Basic Soft Rib Cropped Tank PrettyLittleThing QA White Rib Tank Top by Rhe on Sale. The Jersey Rib Tank in Off White is a standard fit essential designed for comfort and ease. Made from soft ribbed cotton jersey with a subtle scoop neckline, it's the kind of piece that works just as well layered under a shirt as it does on its own. Ribbed cotton jersey tank Standard fit Scoop neckline 100% Cotton Cold machine wash on a delicate cycle