: A classic triangle cup shape with adjustable straps.
The item you are referring to is likely the in Black from the brand PIECES (item number 17141166).
: Deep Black (often referred to in internal codes like the one you provided).
Based on available catalog information, this piece is part of their lingerie collection and features:
: It is designed for everyday comfort with a minimalist aesthetic, often featuring lace trim or elasticated bands depending on the specific seasonal variation.