1. Choose the Best Type of PFD for Your Activity
In today's marketplace, there are many different types of life jackets. Some are designed for water sports, some for angling and still others are multipurpose. There are also different designs such as belt packs, inflatables and hybrids, which are a combination of traditional flotation and inflatable technology. Read more about choosing and using a life jacket.2. Try it on for Size
Check the label for your size or weight. The manufacturer's label will show whether it is an adult or child life jacket (an adult life jacket will not work for a child). Be sure to choose the PFD that reflects your size and weight.3. Make Sure the Life Jacket is Properly Fastened
Once you choose your life jacket and try it on, make sure it is fastened properly. Some children's life jackets have straps that go underneath the person for added stability. Tighten all straps firmly; they should not be loose.4. Test the Life Jacket
Hold your arms straight up over your head and gently pull up on the tops of the arm openings. You can do this for a friend or child, and have someone do it for you. If the jacket rides up over your face or chin, it is too large. Try the next smaller size. Next, try sitting down with the life jacket on. Again, if it rides up, it is too large. This is particularly important to note when choosing a child's life jacket. If it is too large, the child could completely slip out of the life jacket. The bottom line is the life jacket should be the right size for your weight and fit snugly but not too tight.5. For Inflatable or Belt Pack PFDs
The above instructions pertain mostly to traditional life jackets, however, more and more boaters are choosing inflatable life jackets for everyday boating activities because they are less bulky, thus more comfortable to wear. To choose an inflatable life jacket - adults only - size and weight will still be indicated on the label. Slip the jacket on, fasten and tighten the straps. The jacket will be loose on your shoulders and chest, but not too loose. You should be able to move around without it falling off your shoulders or hanging uncomfortably.
If you choose a belt pack, it will be vital to purchase one according to your weight so you know the jacket will have the buoyancy to keep you afloat.

