When put on around the waistline like a belt, it & rsquo; s easy 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 speak with the proprietor & rsquo; s manual for specific directions. If it & rsquo; s loose when you & rsquo; re in the water it definitely won & rsquo; t be comfy and may not also work appropriately. Because of this layout attribute, it & rsquo; s suggested to inspect them prior to you head out and also replace the gas cartridge yearly( refer to OWNER & rsquo; s MANUAL for upkeep requirements ). When worn around the waistline like a belt, it & rsquo; s simple to forget you & rsquo; re also putting on a PFD. It of course will likewise vary PFD to PFD, so it & rsquo; s best to get in touch with the proprietor & rsquo; s manual for specific instructions. If it & rsquo; s loose when you & rsquo; re in the water it certainly won & rsquo; t be comfy as well as may not even work properly. Of course, with any kind of decision of what you & rsquo; re going to put on, there & rsquo; s the design factor!