The cheapest, most underrated piece of safety gear in any boat or kayak is the one that ends up being the most important: a properly fitted, properly chosen PFD (personal flotation device). It's the difference between a "near miss" and a tragedy — and yet most people buy the first one they see and never check whether it's right for what they're doing.

Australia categorises PFDs into three levels under the AS 4758 standard, and each has a specific job. Buying the wrong one isn't just suboptimal — in some boating situations it's actually illegal. Here's what each level does and how to pick the right one.

Photo by Karsten Winegeart on Unsplash

The traditional bulky orange/yellow lifejacket. This is the highest level of flotation and it's designed to do one critical job: keep your head out of the water if you're unconscious or facedown.

Features:

• Substantial flotation (100N or 150N rated)
• Neck/collar support to keep your head up
• Highly visible colours (international orange, fluoro yellow)
• Reflective tape for nighttime/SAR visibility
• Often includes a whistle and grab handles

Where you need one:

• Open water boating (offshore, big lakes, exposed coast)
• Partially smooth water (estuaries, harbours)
• Anywhere you might be in the water for an extended period
• Legally required on boats in many open-water situations across Australian states

Modern inflatable Level 150 PFDs are far more comfortable than the old foam blocks — they're worn deflated as a slim collar/yoke, and inflate (manually pulled or auto-trigger on water contact) when you hit the water. Excellent for adults who'll actually wear them. Not legal for kids under 12.

The most common PFD type in Australia. 50N flotation, designed for active water sports where you're a strong swimmer in calm conditions.

Features:

• Enough flotation to keep you afloat with minimal effort
• NO neck collar (so your head can go under if you're unconscious)
• High-vis bright colours (yellow, red, orange)
• Cut for active wear — won't restrict movement when paddling, casting, water-skiing

Where to use:

• Calm protected waters: rivers, dams, sheltered estuaries
• Recreational kayaking and canoeing
• Stand-up paddleboarding
• Water-skiing, wakeboarding, jet-skis
• Fishing from small boats in protected water

Most kayakers and SUP users buy Level 50. The combination of comfort, freedom of movement and adequate flotation for calm water makes it the sweet spot. Expect to spend $80-180 on a quality kayak-cut Level 50.

Photo: Karsten Winegeart / Unsplash

Same flotation as Level 50, but in any colour (typically dark blues, blacks, neutral colours rather than high-vis). The "S" stands for "subject to constant supervision" — meant for activities where someone is always watching you.

Where it's appropriate:

• Wakeboarding, water-skiing behind a boat (driver and spotter watching)
• Closed swimming areas with lifeguards
• Some sailing classes

For most general use — kayaking, fishing, SUP, recreational boating — go with Level 50 (high-vis) instead. The visibility matters in any unsupervised situation.

The best PFD is the one you'll actually wear. The wrong fit is uncomfortable, gets thrown in the boat, and stays there during the moment you actually need it.

Sizing checklist:

• Snug but not tight. All straps done up, you should be able to take a deep breath without restriction
• Doesn't ride up over your face. Have someone tug up on the shoulders — if it slides up your neck or face, it's too loose
• Fits over your typical clothing. Try it on with the layers you'll be wearing (in winter that includes a fleece + spray jacket)
• Allows full paddle/casting motion. Mimic the movement before you buy
• Fit children correctly. Kids' PFDs come in weight ranges, not age — check the label and weigh the child if unsure

For kids, look for the crotch strap (stops the PFD riding up and slipping over their head) and a head support tab.

Photo: Scott Osborn / Unsplash

Maritime laws vary by state, but the basics are similar:

• NSW: PFD must be worn in vessels under 4.8m. PFDs must be on board for all passengers in larger boats. Children 12 and under must wear PFDs at all times in vessels under 4.8m
• VIC: Similar rules — PFDs worn at all times in vessels under 4.8m by adults; under-12s must wear them in any vessel underway
• QLD: PFDs required to be on board; kids must wear them in open vessels under 4.8m or on the water
• WA: Similar to others — must be carried always, must be worn in many circumstances
• SA, TAS, NT: Each state has slightly different rules — check the state's marine safety website before heading out

Universal rule: for kayaking, SUP and small boating, just wear it. Even where it's not legally required, you can drown wearing $300 boots in 1m of water if you panic. A PFD removes that risk.

• Rinse in fresh water after every salt-water use
• Air-dry in shade — direct sun degrades the foam and webbing over time
• Inspect annually: check stitching, buckles, foam integrity. Tug all the straps
• For inflatable PFDs — service the CO2 cartridge per manufacturer schedule (usually every 1-2 years)
• Replace any PFD with worn webbing, broken buckles, or visible foam damage. They're cheap; lives aren't

For most recreational kayakers, paddleboarders and small-boat anglers in Australia: a properly fitted Level 50, high-vis colour, AS 4758 approved. Spend $100-180 on one that fits properly and you'll actually wear it.

For offshore boating, get a Level 100 or 150 — preferably the modern inflatable kind that you'll actually wear instead of leaving in the locker.

And for kids: PFDs sized correctly to their weight, with crotch strap, worn EVERY time on the water. No exceptions, no "they're a strong swimmer". Drowning is the leading cause of accidental death for Aussie kids under 5 — and the vast majority happen quickly and silently.