Sanctuary In The Light High Neck Mio One Piece Swimsuit (L23212). The Sanctuary In The Light High Neck Mio One Piece Swimsuit L23212 has solid colored knit with floral print across wireless cups, lower side, and back. High neckline attaches to self-lined straps that can be worn classic on-shoulder, crossed, or even halter style. Sanctuary's In The Light High Neck Mio One Piece Swimsuit is made of recycled polyester/spandex.