Welcome to the megamouth of dry bags, the SealLine Pro Dry Pack ($315-340). While it isn’t lightweight, it was never designed to be. This premium bag is a champion at swallowing gear.

There are three sizes to choose from. If you're looking for a great basic all-rounder, the best dry bag for you is the SealLine boundary Dry Pack. This waterproof rucksack comes in three different ...