Michael Lauren Renzo Open Shoulder Tee in Charcoal. - size M (also in ) Michael Lauren Renzo Open Shoulder Tee in Charcoal. - size M (also in ) 94% rayon 6% spandex. Hand wash cold. Shoulder cut-outs. Rib knit fabric. MLAU-WS479. ML 6252 RIB. 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.