Having been a waitress for many, many years I can vouch for aprons giving you neck problems if too much stuff is in the pockets.
I use the Home Depot apron as well. It got misplaced when I moved and I haven't gotten one for this year yet, but need to next time I'm at HD. I also have a small toolbox I store things in like lots of extra tags and this year colored paper clips, colored wires (which I'm not too fond of using so I won't next year), pencils/pens, pencil sharpener, scissors, notepad. Since my hybridizing area is not at my house I just keep whatever extra I may need in the toolbox. I have two different ways I store the pollen to see which would work out better since I have limited storage space in James' freezer. The way I did it last year was basically the way Fred does, a piece of foam/styrofoam cut into a large rectangle with holes in it to hold the vials of pollen. (sorry the photos are bad, I just took a real quick photo)
The vials you can just slip down into the apron pocket.
The other thing I store pollen in is matchboxes and use a q-tip to dab the pollen and these take up less space in the freezer because you just stack them on top of each other in a small container. These really need to stay flat or the pollen can spill out if the box slides open so I put these in the top tray of the toolbox.
