Baby Girls Infant Long Sleeve Rashguard Shirt with Matching Hat (0-3 Months) Protect baby from the sun with this adorable rashguard set. Set includes long sleeve rashguard shirt and coordinating sun hat. Sun protective upf rashguard provides stylish sun protection both in and out of the water. Material: 82 % Polyester, 18 % Spandex. Handwash cold with like colors. Sun Protective Features: UPF 50+ Sun Protection.