How to Choose a Waterproof Work Jacket: An Australian Buyer's Guide
Waterproof ratings, warmth, hi-vis rules and fit — the no-nonsense Australian guide to staying dry and seen all winter.
The right waterproof work jacket keeps you dry, warm and visible through a full Australian winter — the wrong one wets through by smoko. Five things decide which one you’ve got, and here’s how to read each before you spend a cent.
The Five-Second Checklist
A good waterproof work jacket has to tick four boxes before anything else.
1. “Water-resistant” isn’t “waterproof”
Plenty of winter jackets are only water-resistant — fine for a drizzle, useless in a downpour. A true waterproof jacket needs two things a water-resistant one skips: a fabric with a waterproof membrane or coating, and sealed (taped) seams so water can’t creep through the stitch holes.
If there’s a waterproof rating in millimetres (mm), here’s the rough scale:
- 0–1,500mm — shower and mist resistant only.
- 1,500–5,000mm — light to moderate rain.
- 5,000–10,000mm — steady, heavy rain; a realistic minimum for a full day outdoors.
- 10,000mm+ — sustained downpours and pressure (kneeling, pack straps, sitting).
The bit most people miss: a high rating means nothing if the seams leak. Always check they’re taped.
2. Fabric weight (GSM): warmth without bulk
GSM (grams per square metre) is how heavy and warm the fabric is. Light shells sit at 150–250gsm and cut wind but little cold. For Aussie winter site work, 300–400gsm is the sweet spot — warm enough to skip a bulky mid-layer, light enough to actually work in. The Blizzard Hood range sits at 360gsm for exactly that reason.
3. Hi-vis: day, or day & night?
On road, rail, civil and most commercial sites your jacket has to meet AS/NZS 4602.1, and the class you need depends on when you work:
- Class D (Day) — fluorescent fabric only.
- Class N (Night) — retroreflective tape only.
- Class D/N (Day & Night) — fluorescent fabric plus reflective tape. What most sites now require.
The fabric and tape themselves fall under AS/NZS 1906.4. In short: for dawn, dusk or night work you need a bright base and tape — like the Blizzard Hood with 3M reflective tape (C601). Daylight only? Fluorescent without tape is fine, and for trades with no hi-vis rule, black or dark grey works. Your site induction is always the final word.
4. Pullover, full zip or 1/4 zip?
Same shell and waterproofing, different access:
- Pullover (C901) — fewest openings, so the warmest; goes over your head.
- 1/4 zip (C801) — a neck zip to vent when you heat up.
- Full zip (C701) — easiest on and off over a hard hat or harness, best for temperature control.
5. Fit, layering & care
It should sit over a jumper without pulling at the shoulders, but not flap or snag. Between sizes and planning to layer underneath? Size up. Check the sleeves still cover your wrists when you reach forward — that gap is where the cold gets in.
To keep it waterproof: wash sparingly on a cool gentle cycle (zipped up), skip fabric softener (it clogs the coating), air dry where you can, and re-proof with a spray-on treatment once water stops beading on the surface.
Quick comparison: the Blizzard Hood range
| Style | Closure | Hi-vis options | From |
|---|---|---|---|
| C901 Pullover | Over-the-head | Day & day/night | $79 |
| C801 1/4 Zip | Quarter zip | Day & day/night | $79 |
| C701 Full Zip | Full zip | Day & day/night | $79 |
| C601 + 3M Tape | Pullover | Day/Night (reflective tape) | $89 |
All four are 360gsm and waterproof, in Orange/Navy, Yellow/Navy, Black and Dark Grey.
Ready before the next cold snap?
Shop the Blizzard Hood RangeFrequently asked questions
What waterproof rating do I need for winter?
For a full day outdoors in an Australian winter, aim for at least 5,000mm with taped seams. Lower ratings are fine for short stints or light showers, but will wet through under sustained rain.
What does 360gsm mean on a work jacket?
360gsm is the fabric weight — 360 grams per square metre. It’s a warm mid-to-heavy weight that suits cold, wet site work without being so bulky you can’t move in it.
Do I legally need reflective tape on my hi-vis jacket?
It depends on when you work and your site rules. Day-only work can use fluorescent fabric without tape (Class D). Dawn, dusk or night work generally needs day/night garments with retroreflective tape (Class D/N) under AS/NZS 4602.1. Your site induction is the final word.
Can I wash a waterproof work jacket?
Yes — use a cool, gentle cycle, skip fabric softener, and air dry. Re-proof with a spray-on treatment when water stops beading, and the waterproofing will last far longer.