MONROW Double Layer Tank Dress in White. - size XS (also in ) MONROW Double Layer Tank Dress in White. - size XS (also in ) Self: 80% cotton 17% rayon 3% spandexContrast 1: 50% cotton 50% modalContrast 2: 100% rayon. Fully lined. Knit fabric. HARL-WD309. HD0133. Launched in 2007 as a basics label, Monrow has quickly risen to the top. Designers Michelle Wenke and Megan George have created a line of fundamentals-quintessential wardrobe staples with attention to fit, fabric, technique and innovative prints.