Small fits true to size without being super tight. *shown on size 8 mannequin. Fabric content: 60% merino wool, 40% nylon. Medium weight knit, super soft and insulating. Excellent pre-owned condition with no holes or stains. Approximate measurements laid flat: Length: 24.5" Sleeve length: 25" Bust (armpit to armpit): 18" DETAILS: classic style from J.Crew recreated with a merino wool blend in a beautiful muted light powder blue.