100% cotton. satin white poplin fabric. great patchwork pattern, with asymmetric paneling on front and back. marked size 50; fits slim. 10/10 condition-- brand new with tags. measurements: pit to pit: ~21" shoulder to shoulder: just over 18" sleeve from shoulder: 27" back length (from collar base): 30.75", but varies around the hem fine print - price includes usps priority shipping with tracking within the us; if you live elsewhere, please ask for a shipping quote. - please, no trade offers or requests for fit pics.