Golf rain gear is the one part of your wardrobe where cheap genuinely doesn't work. A bad jacket doesn't half-work — it fails completely, four holes from the clubhouse, and ruins the day.
It's also the piece most people misunderstand, so let's start with why your current one stopped working.
Your jacket isn't broken. The coating is.
Waterproof jackets have two parts: a membrane inside that stops water getting through, and a DWR coating on the outer face that makes water bead up and roll off.
The DWR wears off — from washing, from dirt, from your bag strap rubbing. When it goes, the outer fabric soaks up water. The membrane is still working perfectly, but the wet outer layer feels cold and clammy against you and stops breathing, so you get damp from the inside.
Nearly everyone concludes the jacket has failed and buys a new one. Most of the time you just need to reproof it: wash it in a technical cleaner, then apply a wash-in or spray-on DWR. Twenty minutes and the cost of a sleeve of balls, and it works like new.
The ratings, in plain English
You'll see two numbers:
Waterproofing, in millimetres — how tall a column of water the fabric holds before leaking. Roughly: 5,000mm handles light rain, 10,000mm handles proper rain, 20,000mm handles anything you'd sensibly play in. For golf, 10,000mm is a realistic minimum and 20,000 is plenty.
Breathability, in grams — how much moisture escapes in 24 hours. 5,000g is modest, 20,000g is very good. This matters more than people expect, because you're generating heat while walking.
Above roughly 20,000/20,000 you're paying for marginal gains. Below 10,000 you'll be disappointed the first time it really rains.
The three things that matter more than the brand
Taped seams. Every stitch is a hole. Without taped seams the fabric rating is irrelevant. Check the label says "fully taped," not "critically taped" — critical means only some of them.
The cut and the swing. A jacket that's waterproof and restricts your turn is useless. Golf rain jackets have articulated shoulders and a gusseted back for a reason. Swing in it in the shop.
Noise. Genuinely. A crackly jacket in your backswing is maddening, and it's the most common reason a good jacket lives in the boot unworn. Move around in it and listen.
The rest of the kit
Trousers — get ones you can pull on over your shoes via a full-length or three-quarter side zip. Anything else means taking your shoes off in a downpour, which is when people give up and get wet.
Gloves — proper rain gloves are the most underrated item in golf. They grip better wet than dry. Two or three pounds' worth of kit that saves entire rounds.
Towels — two. One clipped outside that'll get wet, one kept dry under the bag hood. A wet towel dries nothing.
Umbrella — a proper double-canopy one. The vented top stops it inverting in wind, which single-canopy umbrellas do at the first gust.
Bag hood — most bags come with one and most people leave it at home. Wet grips end more rounds than wet clothing.
What to look for
- Waterproofing
- 10,000mm minimum, 20,000mm ideal
- Breathability
- 10,000g minimum, 20,000g ideal
- Seams
- Fully taped. Not "critically taped"
- Trousers
- Full or three-quarter side zips so they go over shoes
- Also carry
- Rain gloves, two towels, bag hood, double-canopy umbrella
- Maintenance
- Reproof with DWR once a season. It's why old jackets "fail"
The honest recommendation
Buy one good set rather than two cheap ones. Rain gear is a five-to-ten-year purchase if you look after it, and looking after it means washing it properly and reproofing it once a year rather than leaving it screwed up damp in the bottom of your bag all winter.
Which, if we're being honest, is exactly where yours is right now.