Coldpruf Women'S Single Layer Long Sleeve Crew Neck Base Layer Top Black Smsince 1914 to be exact. And while a lot has changed over the last century, much about who we are has stayed the same. Were still a family owned company under the leadership of a fourth generation descendent of our founder, Frances Henry Fries. Were also still making circular knit and thermal underwear products, just as we always have. Today, those same products are designed, knit, finished, and cut in North Carolina and sewn in Mexico.