Which jacket? Find your line
Forget the model names for a second. Answer where you'll wear it most, and the category picks itself.
The last line is the honest answer for most Australians: a Beta shell and an Atom underneath cover 90% of what the country throws at you.
The families, decoded
Arc'teryx names jackets by family, then by weight. The family tells you the job; the suffix tells you how heavy-duty.
| Family | Type | Waterproof? | Where it earns its keep in Australia |
|---|---|---|---|
| Beta | Gore-Tex shell | Yes, fully | Alps, Tasmania, any real rain. The all-rounder. |
| Alpha | Gore-Tex shell, climbing cut | Yes, fully | Harness-compatible, minimal. Overkill unless you climb. |
| Atom | Synthetic insulation | Water-resistant | City winters, under a shell, camp evenings. Still warm when damp. |
| Cerium | Down insulation | Water-resistant | Cold and dry only. Packs tiny. Not for wet days. |
| Gamma | Softshell | No — wind-resistant | Fast movement, Blue Mountains, cool-dry days. |
SL = superlight, packs smallest, thinnest fabric. LT = lightweight, the sweet spot for most people. AR = all-round, tougher fabric, more features. SV = severe weather, the burliest, built for weeks in bad conditions. For Australia, LT or AR is almost always right — SV is more jacket than the country needs.
Sizing, answered
How do Arc'teryx jackets fit?
Athletic. Trim through the waist, room across the shoulders, arms cut long so cuffs don't ride up when you reach. Not boxy, not slim-fashion either.
Do I size up for a shell?
Usually no. Shells are cut with layering room built in. Go up only if you'll regularly wear a thick fleece or an insulated jacket underneath. Check the chest measurement on the product page.
And for an Atom or Cerium?
Take your normal size. These are designed to fit close so they trap heat — a loose insulated jacket is a cold one.
Are they long enough?
Hip length with a slight drop at the back. Men's and women's cuts differ — women's is shaped at the waist and shorter in the arm. Don't cross over just because the colour is better.
Under any of these, a quick-dry Arc'teryx shirt is the base layer that stops sweat sitting against you. On top, a beanie fills the gap a hood leaves when it's up.
Keeping the waterproofing alive
A Gore-Tex shell doesn't wear out — it gets dirty. Body oil and grime block the membrane, and the outer fabric stops beading. All of it is fixable at home.
🧼 Wash it more, not less
Cold cycle, technical wash (not normal detergent), zips closed. Every few weeks in heavy use.
🌡️ Tumble low, 20 minutes
Heat reactivates the DWR finish. This is the step people skip and then think the jacket is broken.
💧 Re-proof when it stops beading
Spray-on DWR after washing. Insulated jackets: wash cold, dry with tennis balls to loft the fill.