MONROW Zip Up Romper in Blue. - size XS (also in S) MONROW Zip Up Romper in Blue. - size XS (also in S) 100% rayon. Hidden front zipper closure. Side slant pockets. Made in USA. HARL-WR35. HR0015. 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.