There are other designs that are more specialized that may offer different concealment options but would also require additional training.
There is no one perfect solution, and you may find you need a selection of holsters to support different applications. Each design has benefits and drawbacks that must be assessed by the user.
The most common design and often most comfortable is the OWB type. Users who must remove their weapon on a regular basis may find a paddle-mounted OWB beneficial. For those requiring slightly better concealment the IWB design allows less of the holster to be exposed outside the waistband, but some may find the additional volume inside the waistband uncomfortable. Tuckable IWB designs offer an even deeper concealment option. The SOB and MOB designs are not recommended. They are uncomfortable when seated, may cause injury to the spine if you fall, and may have a dangerous drawstroke.
Buying a Holster
When buying or ordering a holster, you should have some basic information at hand for the manufacturer to ensure you get the right equipment. It is important to know: exact make, model, and caliber of the weapon; any special external features such as light rails, large adjustable sights, ambidextrous safety. You also want to let them know whether you prefer right- or left-hand carry and where you prefer to carry the holster on your hip, behind your hip, in front of your hip. And be sure to mention the preferred cant and carry height, the belt width, and any desired special features such as retention device, sweat flap, and tension screws.