Michael Stars Snap Midi Dress in Gray. - size XS (also in ) Michael Stars Snap Midi Dress in Gray. - size XS (also in ) 49% poly 46% rayon 5% spandex. Hand wash cold. Unlined. Rib knit fabric. Side button closure. MICH-WD679. 1934. Supima, modal, shine-all the words we've come to love and adore from Michael Stars. More gorgeous tops in the most season-appropriate colors for layering all day and night long.