Bold style and essential coverage make every beach trip more enjoyable. The Sporti Kid's 1.5mm UPF 50+ Short Sleeve Solid Thermal Suit is the perfect suit for swimming in colder water, specifically made to add warmth in lower temperatures and has UV protection for your little one. Composition Shell: 100% Neoprene with 100% Nylon bonding Sleeves/Collar: 80% Nylon 20% Spandex LYCRA stretch shoulders and sleeves for easy arm movement. 1.5mm neoprene thickness. If between sizes, consider sizing up. Features Kids thermal wetsuit. UPF 50+ sun protection. Front zipper for easy on and off. Safety closure helps secure the zipper in place. Provides extra buoyancy, comfort, and added warmth in colder water. Flatlock seams. Imported.