We weren't sure what to make of the Carrier Duffle Bag from Arc'teryx when we first got hold of it but now that we've been stocking and using them for some time we really are impressed by what it can offer. The bags are available in 35, 50 and 100 litre sizes with the two larger bags having dual shoulder straps so that they can be carried as a backpack. Arc'teryx say the bag is weather resistant and highly durable and we have to agree. Our own experience, plus some field tests that we've come across do prove these bags to be just that, with the coated nylon fabric and water tight zipper with protective storm flap acting as a waterproof shield. For the capacity these bags provide they are extremely lightweight so perfect if you're trying to keep under those annoying baggage allowances. All in all these duffles are tough, will swallow all your gear and keep it well protected. What more can we say!