In 1991, Crescent, Inc. a hosiery company, began a new line. They called it the World's Softest Sock®. World's Softest Sock is Crescent, Inc.'s fastest growing brand to sell. World's Softest Sock has a complete line for you for any occasion. The World's Softest Men's Classic Over-the-Calf Sock has a cushioned top, stays up without binding. For men and women try the World's Softest Classic Crew Sock. All day comfort. The World's Softest Women's Cozy Spa Sock. Ultra soft inside and out. The World's Softest Women's Knee Hi Sock With the full cushioned foot you get comfort all day.