1, a variety of colors: Kartman's thermal underwear has a variety of colors, such as skin color, black, purple and red, which can meet the choices of many consumers. The colors of duck and duck thermal underwear are mainly skin color and black, and there are few color systems.

2, fine workmanship: Kartman thermal underwear works more carefully, with even stitches and no makeup. Duck thermal underwear looks bigger and its workmanship looks rough.