The Ribbed Tanks are the perfect blend of lightweight materials, breathability and functionally flexible - Fabric: Four Way Stretch, Super Soft Ribbed - Ultra-lightweight, sweat-wicking and breathable - Mid Neckline - Open Back 93% Rayon, 7% Spandex Olivia is wearing size Small She is 170cm (5'6") tall with an 86cm (33") bust, a 67cm (26") waist and 88cm (34") hips.