XL fits true to size. Fabric content: 75% rayon, 20% polyester, 5% spandex. Thick stretchy "ponte" style material. Excellent pre-owned condition: no holes or stains. Approximate measurements laid flat: Length: 24.5" Sleeve length: 20"  Bust (armpit to armpit): 19" DETAILS: beautiful light pink top from Tuckernuck features an elastic band around the top which makes this easy to wear off the shoulders and slightly cropped, bell shape sleeves.