Got one of these - cheap and very effective. Whatever size you are, buy the next size up. The size chart runs small, and you would rather have more available velcro than not enough.

Amazon.com : Alpha Holster Belly Band Hand Gun Holster - Abdomen Holster - Cross Draw Large White : Sports & Outdoors@@AMEPARAM@@http://ecx.images-amazon.com/images/I/41uzxyBDMDL.@@AMEPARAM@@41uzxyBDMDL