Sanctuary Button Front Ribbed Tank in Black. - size XXS (also in L, M, S, XL, XS, XXL) Sanctuary Button Front Ribbed Tank in Black. - size XXS (also in L, M, S, XL, XS, XXL) 100% polyester. Machine wash. Front button closure. Sheer lightweight knit fabric. Garment is made with a semi-sheer fabric, undergarments can show through. SANC-WS791. CT4155WR1. Design with reason, design with soul: give us the Sanctuary of fashion with sense.