He'll be ready for fun in the sun with this stretch jersey rash guard, which offers UPF 40 protection from UV rays. Excellent UV protection: UPF 40. Polyester, elastane. Machine washable. Size 4/4T has a 17" body length (front and back) and a 191⁄2" sleeve length. Sleeve length is taken from the center back of the neck. Crewneck. Long raglan sleeves. "Ralph Lauren" and palm trees printed at the left sleeve. "Polo RL 1967" and palm trees printed at the center front. Imported. Style Number: 521854