Caballero Gun Belt*Sizing: In order to get the best sizing possible use the chart below. Measure your belt line wearing your usual pants and holster if you plan on AIWB. reference that measurement with the chart to determine the best size for you. you can go up or down 1. 5" from your measurement if you are planning on wearing more layers or prefer a specific buckle hole. Note: Use of western style buckles will add 1. 5 2 to your belt, if you plan on using one of these