Due to comfort, this is one of the most of the most popular uniform tops for boys in America!

Often sold out in this size on Old Navy's site.

Size XXL/18

Chest: 17.5-18in. (flat)
Length: 28 in  (top of shoulder to bottom)

Material
: 97% Cotton, 3% Spandex

The Old Navy Built-In Flex Pique Polo for Boys is a polo shirt made with a soft pique cotton material that is engineered with Built-In Flex stretch technology, and is commonly used for school uniforms.

It has a rib-knit collar, two-button placket, and short sleeves with rib-knit openings.  

This polo shirt is slightly fitted through the body and sits below the waist.

Comes brand new in original polybag.