Features: -UV 50+ protection Fabric: 82% nylon/ 18% spandex Size chart: 0-6 months : Height from the seam at the bottom of the collar to the bottom of the sweater: 10'' 1/2 Chest width from armpit to armpit: 20'' Length of sleeve: 10'' Neck opening: 4'' ¾ 6-12 months Height from the seam at the bottom of the collar to the bottom of the sweater: 11'' Chest width from armpit to armpit other: 21'' Sleeve length: 11'' Neck opening: 5'' 12-18 months Height from the seam at the bottom of the collar to the bottom of the sweater: 11'' 1/2 Chest width from armpit to side: 22'' Sleeve length: 12'' Neck opening: 5'' 1/4 18-24 months Height from the seam at the bottom of the collar to the bottom of the sweater: 12'' Chest width from armpit to armpit other: 23'' Sleeve length: 13'' Neck opening: 5'' 1/2 2-3 years Height from the seam at the bottom of the collar to the bottom of the sweater: 13'' Chest width from armpit to armpit other: 24'' Sleeve length: 14'' About the brand Hopalo's values are to listen to their customers, to offer quality products that are comfortable, safe and practical, to adapt and to innovate. Hopalo swimsuits with a unique principle will charm you and bring you pleasure in simplicity!