Michael Lauren Sebastian Top in Gray. - size S (also in XS) Michael Lauren Sebastian Top in Gray. - size S (also in XS) 50% cotton 50% poly. Dry clean only. Button front closure. Knit fabric. Thumb hole cut-outs. MLAU-WS552. ML 6350 BMK. The designers behind Lauren Moshi take their comfortable pieces to a new level. With Michael Lauren, expect a range of lounge-worthy basics for the girl who likes to relax in style.