Are long johns the same as thermals?

Answer. Answer: They were named after a boxer in the 19th Century, who was called John L. Sullivan, and they were his attire in the boxing ring so people used to call them 'John Ls'. 'John Ls' turned .. read more

Thermal clothing (also called long underwear) are the base layers that you wear under your regular clothes. Thermals are great because they trap body heat better than your jeans or men's dress shirts .. read more

Long johns, on the other hand, are a two-piece garment—leggings and a shirt—made from flannel or wool with a square-weave waffle fabric that helped to wick moisture away from the skin. To some, bo.. read more