The Reebok Boys Short Sleeve Rashguard with UPF 50+ Protection in size Medium is a stylish and practical swim shirt for boys. Made of a durable combination of polyester and spandex, this swimsuit offers great flexibility and comfort. The aqua/gray color and short sleeves make it a trendy choice for surfing and other water activities. Easy to care for with machine washable material, this rashguard from Reebok is a perfect addition to any boy's swimwear collection.