Made in Viet Nam, by Port Authority, and distributed by the CYRK Company, this shirt is a men's size Medium.  Its black fabric is 55% cotton, 45% polyester, brushed twill that is very soft and velvety to the touch.  Its long sleeves have two buttons at the cuff and another button 3 1/4 inches up the underside of the forearm.  The front closure is button down, as is the collar.

There is an embroidered logo on the left chest, above the pocket.  It is black and white and reads: Patten CAT (the Caterpillar Automotive Company).  The shirt has a Caterpillar Inc. Licensed Merchandise tag on the right, inside, side seam.

Measurements are:  chest:  46 inches; length from shoulder to bottom of hem:  30 inches; length of sleeve from center back:  33 1/4 inches.

Laundering instructions are:  Machine wash warm, tumble dry low, only non-chlorine bleach, if necessary.