If there's one thing a tote bag shouldn't be, it shouldn't be the least bit complicated. Christopher Raeburn's Packaway Tote keeps it simple, but adds a few nifty little features that you won't just find invaluable, but worth the investment.
The lightweight fabric that's sourced from Japan is a water repellent recycled nylon is a great just-in-case bag that you can throw in your luggage and its compact enough to fold into its own pocket. When its unpacked the bag is quite spacious and should be more than adequate for your storage needs when you're on the go.
$305, available at shopneighbour.com.