Additionally, while there are other materials on the market, nylon tends to be the most wallet friendly, and it comes in such a wide array of colors and styles that finding the right suit to fit your personality shouldn't be an issue.
In the winter, combine that same nightgown (or a nightshirt in a shorter length with long sleeves) with nylon pants for a warm, cozy pajama set, perfect for wearing in front of the television while you sip hot chocolate before bed.
Nylon pajama shorts are available for men and women, but you'll have to do quite a bit of searching to find a pair that is labeled as nylon and sold as sleepwear, especially if you're looking for a shorts and shirt set.
Years ago, full-figured gals had very few choices in workout attire including frumpy, elastic-waist sweatpants and over-sized t-shirts or men's "jogging suits" -- nylon sweatpants with a matching zip-up jacket.
No matter how you define vintage and what decade you are most interested in; whether you are looking for boxers, briefs or all-in-one men's nylon vintage underwear, you can find it with the help of the Internet, of course.