That Marathon Gun Pack looks interesting. Do you know what waist sizes it fits?That's where fanny packs shine. Put your phone in the front pocket and nobody looks twice.
I use this one to jog or trail run. It'd be fine in the gym as well:
Marathon Gun Pack
The first of its kind, this tactical fanny pack was specifically designed for concealed carry runners. Shop for CCW fanny packs and holsters online today.elitesurvival.com