COS Longline Button Down Shirt/Overshirt

Overshirt/longline button down shirt from COS. Black, silky and flowy material. I have too many of these black overshirts so I am paring down my collection. Hidden button placket, small slit on either side, no pockets. Material Composition: 100% polyester Measurements for size 4: PTP when buttoned up: 24" Total length: 32" Sleeve from shoulder seam: 18" Sleeve from collar opening: 28" Need more measurements? Just let me know...