The Flowfold MINIMALIST is a front pocket wallet designed to hold a few cards and a small bit of cash. They are made out of super stong fibers, the same seen in world class racing
Slim is a minimalistic wallet that only holds the essentials and looks stylish.
Slimfold Micro [$45 + $3.95 shipping] is a highly durable thin wallet originally made for motorcycle users.
HuMn Men's Mini Wallet
The Jimi wallet is a compact front pocket wallet that is water resistant.