When worn around the midsection like a belt, it & rsquo; s simple to neglect you & rsquo; re also putting on a PFD. It of course will additionally vary PFD to PFD, so it & rsquo; s best to get in touch with the owner & rsquo; s handbook for specific guidelines. If it & rsquo; s loose when you & rsquo; re in the water it certainly won & rsquo; t be comfortable as well as may not even function appropriately. Due to the fact that of this layout function, it & rsquo; s suggested to check them prior to you head out and change the gas cartridge every year( refer to OWNER & rsquo; s MANUAL for upkeep needs ). When put on around the waistline like a belt, it & rsquo; s simple to forget you & rsquo; re even using a PFD. It of course will certainly likewise vary PFD to PFD, so it & rsquo; s best to seek advice from the proprietor & rsquo; s handbook for specific instructions. If it & rsquo; s loose when you & rsquo; re in the water it certainly won & rsquo; t be comfy and might not even work properly. Of training course, with any kind of choice of what you & rsquo; re going to wear, there & rsquo; s the design aspect!