This is a great security travel pocket.  It is not an everyday wallet.  So let me go over the pros:
- attaches to my belt and is worn inside my pants.  No one is getting in my pants without my knowledge.  I'm paranoid, so I use both loops.
- Drymax lined.  Kinda soft and padded, does not feel icky when the weather is humid or I'm sweaty
- Fits all the stuff I need when traveling - Passport, cash, credit card

Cons:
- NONE

To address the things that people have complained about:
1. It shows through your pants.
Really?  Just how tight are your britches?  Don't try to wear this with leggings or jeggings or the painted on pants you wear to the club.

2. Change falls out.
Seriously?  You are keeping change in your safe wallet?  Dude, pickpockets don't want your quarters and dimes.

3. The zipper zips vertically rather than horizontally.
This is simple geometry.  If it zipped the other way along the top, the mesh pockets would be useless.  The zipper is at the top in the closed state, just like your pants.  If you have problems with your pants coming unzipped, you may want to carry around a safety pin.

4. The idea of a product that loops around your belt and hangs under your pants is great, until you have to go through Security at the airport where they make you take off your belt.
Don't wear a belt to the airport.  Don't wear those knee high Chuck Taylors that lace all the way up.  Don't wear 3 pairs of door-knocker earrings. Don't wear that awesome shirt with the metal buttons.  Also, don't try getting through TSA with a hidden security pocket in your pants.  That is asking for a grope-down!

This is a great product. It is intended to be used for carrying things you will RARELY access during the day, but need to have on you.  Like... your passport, credit card, large bills.  Put your 'walking around' money in your pants pocket!  You will look like the biggest tourist if you go to a store and pull this out of your pants at the register.  That is a great way to let everyone know it's there and you are just asking to be MUGGED instead of pick-pocketed.  Travel safe, travel smart!  Ciao!