Originally Posted by tarwheel (Post 12787189)

A Carradice bag would do the trick. I've got their smallest bag, the Barley, and it easily holds my lunch, wallet, cell phone, shirt, t-shirt, underwear, tools, batteries and flat repair stuff. You can buy Carradice bags for much less money (and more selection) from the various British on-line cycling stores like Wiggle, Chain Reaction, SJS or directly from Carradice.