These Belts by Crossbreed have seven holes for proper sizing. The size you order will be made for use with the center hole. If you know that you prefer a belt with a longer tongue, add 1-2 inches to your measurement. If you prefer a fit with a shorter tongue, subtract 1-2 inches from your measurement. For most people, there is no need to change your belt size to allow for IWB carry of a single conceal carry pistol.
Retention adjustments are covered under your lifetime warranty. We would be happy to perform this for you anytime if you would like to leave it to the pros