The AlienGear 3.0 Tuck IWB is a great holster. I carry my SW .40 Shield cross draw. It is comfortable and accessible. I have carried it for up to 12 hours sometimes on a long trip. I upgraded from the AG 2.0. It is much more comfortable and molds to you with the new steel insert. It conceals very well without printing under a dress shirt or a T-shirt. I prefer wearing it under a light jacket weather permitting as it is more accessible.