FIT Model is 5'10" wearing size 1. Measures 30" from shoulder (size 2). MATERIALS + CARE Super Soft Rib knit fabric: Tucked in or not, this ultra-soft and stretchy textured knit is your perfect base layer. Stretch level: Maximum. 56% polyester, 34% rayon, 10% spandex. Machine wash cold. Line dry. Imported. DETAILS High neck. Sleeveless. Snap button placket.