BASEBALL SOCK/BELT COMBO SET: Our Baseball or Softball Sock/Belt combo includes 1 pair of solid colored athletic over the calf socks, and a perfectly coordinating elastic belt that is that can be easily adjusted to accommodate most waistlines. | PERFORMANCE MATERIALS: The TCK Belt is made of elastic so it stretches easily and comfortably while on the field. The matching socks are made with 95% Polyester and 5% Rubber to provide the ultimate in comfort and durability. | ADJUSTABLE ELASTIC BELT: The Youth belt is 1.25 inches wide and fits a waistline of 18-30 inches. Adult size belt 1.5 inches wide and fits a waistline of 30-46 inches. | SIZING INFO: Small socks (Youth shoe size 12-5 / Women's shoe size 4-7) comes with a Youth belt, (1.25'' wide, fits waist 18-32 inches. Medium socks (Men's shoe size 6-9 / Women's shoe size 7-10), come with an Adult size belt (1.5'' wide, fits waist 30-46 inches). Large socks (Men's 9-12 / Women's 10-13), come with an Adult size belt (1.5'' wide, fits waist 30-46 inches). | DESIGNED IN THE USA: Twin City Knitting (TCK) was founded in North Carolina in 1961, where we still operate today. We got our start making a quintessential piece of the baseball uniform: the high-legging stirrup. Now, after 60 years of working with baseball and softball teams, we have become the league leader in team socks. When purchasing TCK products, you can feel proud to support a USA based company that directly supports American employees.