I used to have one of these (lost it) and love it again. Very thin, even with cards and cash. I hate sitting on a fat wallet, you don't even realize the wallet is in my back pocket.
BRASS TACKS Leathercraft Handmade Blocking Men's Accessories and Wallets, Card Cases & Money Organizers
89 Review
Crabby Wallet Minimalist Pocket Polyester Men's Accessories in Wallets, Card Cases & Money Organizers
59 Review
Royce Leather Mens Business Green Men's Accessories in Wallets, Card Cases & Money Organizers
62 Review
Credit Card Holder with Chain Cover
70 Review