UPF 50+ Sun Protection: Made from a lightweight and breathable polyester blend, this soft stretch rash guard for boys provides broad-spectrum UV protection for outdoor activities, blocking over 98% of harmful rays to keep kids safe under intense sun exposure. Breathable % Moisture-wicking: Designed for active outdoor wear, the breathable fabric of the kids' rash guard ensures all-day comfort with sweat-wicking properties, suitable for hiking, sports, or playing at the beach. Youth Sizes for Big Kids: Tailored for big kids, these durable long sleeve rashguards for boys feature a sporty design with reinforced seams, ideal for daily wear or extended adventures. The non-restrictive fit allows free movement. Versatile Boys' Long Sleeve Shirt: This long-sleeve boys' swim shirt provides comfortable coverage with its long sleeves, making it an ideal choice for boys enjoying beach days, swimming, surfing, hiking and playing sports. Easy Care: The boys rash guard long sleeve is machine washable and easy to care for, and this two-pack solid color bundle offers versatile layering options for easy mix-and-match styling. Boys' rash guard shirts long sleeve 2 pack