Womens Ariat Belt: Ladies Ariat Western Belt. This ladies Ariat belt by M&F Western Products is simple and practical. Genuine leather with a bug stitch tab. Brass harness buckle finishes this sleek look. 1 1/2" wide. 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