Womens Ariat Belt: Ladies Ariat Western Belt. This ladies Ariat belt by M&F Western Products is so stylish and has lots of character. The strap is genuine black leather that has a light brown, hand tooled floral design. Beautifully topped off with a floral antique silver finish buckle. Sizing Guide: Ariat belts are measured from the end of the strap on the buckle side to the center of the middle hole. The best rule of thumb is to buy a belt 2” larger than your waist/pant size. Small: 30”, Medium: 34”, Large: 38”, X-Large: 42”. 100% Leather. 1 1/2" wide.