[bajadog]

Originally Posted by PAL

Or get a manually inflating model. Wearing one is better than going without, despite the fact that foam floats whether you are concious or not. Here's the rub - the foam vests many of us wear won't keep an unconcious person's head out of the water anyway.

To get that type of PFD you need a type I or a type II, which make kayaking and fishing VERY hard. We yakers use type III.

• Type I - offshore life jacket
  • The model best-suited to open and rough waters, a type I PFD provides more buoyancy than any other type. The design of a type I PFD allows it to turn most unconscious wearers into a face-up position with their head out of the water. This type requires a minimum adult buoyancy of 22 pounds, and because of its bulk it is generally not comfortable to wear when not on the water. These PFDs are only used in an emergency. They are typically jacket-shaped but sleeveless, and usually have multiple ties and belts for closure.
• Type II - near shore buoyancy vest
  • Familiar to anyone who has rented a canoe or other pleasure craft, these are the bright orange vests also seen on water taxis and the like. They are a reduced version of the type I PFD, and provide a minimum 15.5 pound buoyancy. They will usually turn the face of an unconscious person out of the water, but are not as dependable as type I PFDs for this task. Type II PFDs are used near shore where a quick rescue is likely. They usually have one belt and one tie.
• Type III - flotation aid
  • Most popular with canoeists, small-boat sailboat racers and kayakers, a type III PFD is best for conscious wearers who can keep their own faces out of the water. The minimum buoyancy is 15.5 pounds, but some designs have higher buoyancy (frequently 17 pounds). Type III PFDs are usually jacket-style and may have pockets, lashing hooks, tow belts, and other functions that enhance their application. They typically fit the wearer closely, and many zip or have buckles to close.