I have one of these for hiking and outdoor activities, but its obviously not concealed. I think the picture is wrong, its s'posed to be on your chest.
The one posted above looks great, what brand is that??
I'm not "tactical" by any stretch of the imagination, but I like a low riding belt holster for open carry. I get a nice draw in IDPA with that anyway and its accessible unless you have some kind of long cover garment.