Boundary Waters Dayton 100% Wool Sweater Vest Small Texture Knit Gray Red Black. 

For best fit, compare these measurements to a garment you already own.  Approximate measurements when relaxed and laid flat:

• Underarm to underarm:  18 inches
• Across center of garment by waist: 18 inches
• Across bottom of garment:  18 inches
• Down the back from top of fabric to bottom center:  22 inches