Fun cute keyhole cutout.  Cute for casual lounging around the house.  If you're busty, the keyhole doesn't offer much support so this isn't one I'd wear as a top.

Fabric

90% Nylon 10% Span

SM 32-34-36 Band

LXL 36-38 Band

1x/2x 40-42 band 

2x/3x 44-46-48 band