A BCD’s design can affect almost every aspect of your dive, including comfort at the surface, trim underwater, how securely your cylinder rides on your back, and how natural the rest of your gear feels once you’re submerged. Because so many factors come into play, choosing the right BCD is more about matching it to the type of diving you’ll do and less about buying one with the longest list of features.  Our current lineup breaks down into three groups: jacket-style...