Have you seen this beauty? Filson just released a line of weatherproof bags that are made out of a very sturdy leather:
The medium duffle bag’s size has changed to a more travel-friendly overhead size, but it is still one of the bigger leather duffles on the market. From my 2D perspective, I love it. It will be very hard not to pull the trigger on this bad boy. Available at Filson and over at East Dane. Get it while the gettin’s good.