Nautica Baby Boys Sky Blue Glasses Print Rash Guard Swim Shirt 12-24M (24 Months). A high-performance rash guard from Nautica crafted for incredible comfort and protection in and out of the water. A durable layer will make his playtime activities more fun. Featuring blue color with print and brand’s name written, the short sleeved rash guard shirt is super cool. While we aim to supply accurate product information, it is sourced by manufacturers, suppliers and marketplace sellers, and has not been provided by Overstock.