FIT Model is 5'10" wearing size 1. Measures 30" from shoulder (size 2). Adjustable straps. 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. 59% polyester, 31% rayon, 10% spandex. Machine wash cold. Line dry. Imported. DETAILS V-neck. Sleeveless.