Worn only once. NYB stands for not your business - unless you want to know all about the deets of this bra. There's a lot, and it's all fun and different: first and foremost, the center front pocket is big enough to hold almost any smartphone, and has a small flap closure, so you can do hand stands or fly upside down. And we're loving the asymmetrical back design, combining a wider strap with two smaller straps, both providing ample support. The high neck also ensures top-breast coverage and reduced spillage Large front pocket with flap closure • Removable cups • Compression level: 2 • Constructed with Bluesign Approved Fabric Plya Interlock Compression (polyester / spandex)