Image 1 of 1 (12 Months) Vintage 1993 Kansas City Chiefs Onesie CSA $20.00 Manufactured in 1993. Size 12 Months. Measurements: Armpit to armpit 10" / Top to bottom 16". Please note: missing middle bottom button (non-essential). Add To Cart Added! Manufactured in 1993. Size 12 Months. Measurements: Armpit to armpit 10" / Top to bottom 16". Please note: missing middle bottom button (non-essential).