MONROW Mock Neck Long Sleeve Dress in Olive. - size XS (also in ) MONROW Mock Neck Long Sleeve Dress in Olive. - size XS (also in ) 94% siro rayon 4% spandex. Unlined. Rib knit fabric. Curved hem. HARL-WD284. HD0097. 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.