2 Piece Set: This cozy, everyday set includes a stylish sweatshirt and matching pants, designed for ultimate comfort and style.  Fit: True to size. Size up if in-between sizes. Fabric: Made from 95% premium cotton 5% spandex, growing softer with every wash for long-lasting comfort. Comfort: Elastic waistband ensures a snug, secure fit, keeping your little one comfy all day long.