Our X-Small wetsuit is one of the smallest full suit wetsuits you will be able to find! Quality neoprene wetsuit designed to fit well and keep your child warm in frigid waters. Great for the beach, lake, and even swim lessons. A back zipper makes it easy to get your little one suited up! Flexible neoprene fabric allows your child to move freely and stay protected from the sun. We have a 3mm and a 2mm option! 2 sizes available. Sizing is approximate as every baby is different! See photos with measurements X-Small(6-12 months): Weight: 18-25lbs Height: 27-33 Inches Small(12-36 months): Weight: 23- 32lbs Height: 33-40 Inches. Makes a great baby shower gift!