LOFT Beach Colorblock Ruched One Piece Swimsuit - Worn as a bandeau or halter, this colorblocked piece makes the best kind of splash. Removable halter strap. Removable soft foam cups. Lined. To give you the best possible fit, use the following list to match sizes to your cup size: XS=A, S=A/B, M=B/C, L=C, XL=C/D.