If your shorts have a Closed Seam Allowance, then you need to purchase only NoRiders Iron-on Patches. If your shorts have an Open Seam Allowance, then you should purchase either NoRiders Self-adhesive Stays or NoRiders Sew-in Stays. Choose NoRiders products that are at least 1-inch shorter than your inseam length.
U.S. Patents #’s 6,076,193; 7,640,602; 7,861,324; Hong Kong Patent #1113531; Canadian Patent #2,645,926; Chinese Patent #ZL-200680017524.5; Australian Patent #2006232296