Size that an adult man can wear? I didn't wear it' but I displayed it naked. I bought it at an antique shop' but it looks beautiful' so I don't think it's a vintage item.International Buyers - Please Note. Thank you for your understanding. This item is in the category "Antiques\Asian Antiques\Japan\Armor". The seller is "antique_sakura" and is located in this country: JP. This item can be shipped worldwide.