Extendable collar

1. A collared shirt having means for dynamically adjusting the dimension of the neck opening comprising a shirt body having an opening extending downwardly from a neck opening in the front of the shirt, a collar assembly extending about the neck opening and comprising a collar, a collar band extending from an edge of the collar to the edge of the neck opening, means defining a pocket, extending at least a portion of the circumference of the collar band from one end thereof, with the pocket between the outer surface of the collar band and shirt body from the neck opening and having a strip opening positioned near the neck opening and extending downwardly, a self fabric strip about 3″ long and having a width about half the width of the collar band positioned with one end within the pocket and a section at the other end projecting through the strip opening, a button secured to the other end of the strip and aligned when the strip is unstressed in normal alignment with a button hole at the other end of the collar band, and an elastic member connected to the one end of the strip and on the other side to the fabric defining the pocket.

2. A shirt as set forth in claim 1 wherein the elastic member is stretchable to about twice its unstretched length.

3. A shirt as set forth in claim 2 having a placket in which the button hole extends through the upper end of the placket.

4. A shirt as set forth in claim 1 wherein the elastic member is formed of a composite material including a minor percentage of rubber thread with the elastic member stretchable in its length over a range of about 3/1.

5. A shirt as set forth in claim 1 wherein the elastic member has a length in the order of ⅜″.