A simple leather wallet is versatile enough for formal and ... as well as cool colors, unique patterns (like a Hawaiian print), and some logos (any NASA fans?) as well as faux wood prints.

Simple, elegant, classy—a wallet that speaks for itself. Prada's Saffiano leather is smooth, soft, and, well, luxurious. This wallet can hold cards, bills, and coins, too. A wallet you'll love ...

This wallet, embossed with an unusual wave-like pattern on one side ... it won't have the “give” like other materials. For a simple leather cardholder, Nederveen suggests J.Crew's Double ...