I use the black/red slimmy special edition wallet. Slim, front pocket friendly, and matches the black/red stitching in my BRZ.

[ame="http://www.amazon.com/gp/product/B005CIX5CU/ref=as_li_tl?ie=UTF8&camp=1789&creative=390957&cre ativeASIN=B005CIX5CU&linkCode=as2&tag=crystacoveca r-20&linkId=P63FOL7ZCMEGOCRH"]Slimmy Special Edition Front Pocket Wallet[/ame]