Mens girdle

After reaching a certain age, many men may find they get thicker around the middle. Although most women I’ve talked to about this don’t seem to mind, there are times when a man wants to look his very best. For these occasions there are mens girdles, sometimes called body shapers or shapewear, that are designed to flatten the look of your belly, and save you from hours of sucking in your stomach.
Mens girdle:

Mens girdle pictured: Underworks Zip-N-Trim Support Brief Girdle for Men with 8-inch Powerband

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Underworks Men’s Power Shaper Long Leg Brief Girdle

Onesies for adults

Sometimes, what people refer to as onesies are actually long johns. The only difference being that onesies have feet and long johns don’t. Other than that, they are both basically long underwear. Most adults prefer the footless kind, but many do like the footed models. Your choice depends on whether you are looking for cuteness or practicality. Footless or not, onesies are often unisex, and matching onesies for a man and a woman make for a cute couple outfit.
Onesies for adults:

Onesies for adults example. Pictured: Carhartt Men’s Midweight Cotton Union Suit