Simplicity 5366 sewing pattern ©2003, now out of print.
BOYS’ AND MEN’S SHIRT AND VEST
Size : Boy's - SMALL, MEDIUM, LARGE
Chest 22 - 27 inches / 56 - 69 cm
Men's - SMALL, MEDIUM, LARGE, X LARGE
Chest 34 - 48 inches / 87 - 122 cm
Pattern is uncut and factory folded. Envelope is in very good vintage condition, with a store stamp on the front.