Michael Stars Duster Coat in Black. - size S (also in ) Michael Stars Duster Coat in Black. - size S (also in ) 53% viscose 47% rayon. Dry clean only. Draped open front. Side pockets. Belted waist. Back storm flap. MICH-WO463. DST93. 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.