Size XS fits more like a small. Worn only once! Like new Impossibly soft and effortlessly cool. Go from coffee dates to yoga class in this everyday onesie. It's crafted in buttery-soft, recycled Cloud Jersey fabric, and features crisscross back straps and hidden pockets for all your essentials. Features Moisture-Wicking Breathable Hidden Pockets UPF Protection Anti-Microbial Fabric Cloud Jersey Unbelievably soft and endlessly versatile. Cloud Jersey is designed for elevated everyday wear, with comfort at its core. With a lightweight, breathable feel and moisture-wicking tech, this recycled fabric keeps you fresh and on-trend anywhere you go. 88% Polyester/12% Spandex Imported.