Vintage WWF Stone Cold Steve Austin 3:16 Leather Vest by WWF Attitude 2000. Size Large, Color: Black Leather. The third button is missing the back button piece (see photo) but can be replaced with a standard button back.
Vest Measurements(inches):
23 3/8" Armpit to armpit
13 1/8" V-neck to Bottom
24 1/2" Top to bottom