-(Front pockets) Cash, Driver's license, Permit to carry a concealed weapon, Credit cards(personal and company) Vehicle keys, House keys, Work keys, a couple sharpies, chapstick, torch-lighter
-(back Pocket) assorted wrenches, digital caliper (mostly used for machining heatsinks and focus knobs
at work and home), rags
-(Belt) Tape measure, cell phone, Leatherman, cree mini-mag.
I carry a backpack with me to and from work with everything I need- contact supplies, extra glasses, extra sharpies, advil, bluetoooth, pens, checkbook, sunglasses, magazines, nalgene bottle of water, gloves, and of course........My whole laser collection with extra battteries and chargers!!!!
(minus the labbies, of course)