Gear Basics
Simple Repairs for Waterproof Walking Jackets
-
Callum Fraser
-
12 September 2026
6 mins read
Why a little upkeep goes a long way
A good waterproof jacket is one of the most useful things you will ever own in Scotland. It keeps the drizzle off your shoulders on a low-level walk, shrugs off a squall on a Corbett, and earns its keep again on the school run. But it also takes a beating: grit, salt, sun cream, rucksack straps and the door of a bothy all take their toll.
The encouraging news is that most of the things that make a jacket feel tired are fixable at the kitchen table in half an hour. A stuck zip, a dull patch where water no longer beads, a small tear on the shoulder — none of these mean the jacket is finished. Repairing rather than replacing saves money, and it keeps a well-made piece of kit in use for years instead of sending it to landfill.
Reviving a sticky or gritty zip
Zips fail far more often from dirt than from wear. Sand, mud and dried salt work into the teeth and the slider, and the whole thing starts to catch and jam. Before you consider replacing anything, clean it.
- Do the zip up and hold the jacket so the zip hangs free.
- Scrub along the teeth with a soft toothbrush and warm water with a drop of mild soap. Work into both sides of the coil or teeth.
- Rinse with clean water — a shower head or a jug works well — then open and close the zip a few times while it is still slightly damp.
- Let it dry fully, then run a small amount of silicone grease or a rub of beeswax or candle wax along the teeth. Open and close the zip several times to spread it.
Avoid oily sprays and general-purpose lubricants. They attract grit, stain the fabric and can mark anything you brush against. If the slider has splayed open, or teeth are missing, that is a job for a repair specialist or a replacement zip — but for a gritty, sticky zip, cleaning and wax will usually sort it.
Washing and reproofing the face fabric
When water stops beading and the fabric starts to soak up and feel clammy, the durable water repellent finish has worn off or become clogged. It is not the end of the jacket, and it is not a membrane failure. The trap most people fall into is washing too often with the wrong stuff, or never washing at all.
- Empty every pocket, do up the zip, fasten the velcro and loosen the cords.
- Wash on a gentle 30°C cycle with a specialist technical cleaner or a very mild non-biological detergent. Never use fabric conditioner — it coats the fabric and kills breathability.
- Add an extra rinse if your machine allows it, to flush out any residue.
- Heat reactivates the finish. Tumble dry on a low setting for around twenty minutes, or iron on low with a clean cloth between the iron and the jacket. This alone often restores beading.
If it still wets out, reproof. A spray-on proofer aimed at the shoulders, cuffs and hood — the areas that take the weather and the abrasion — is usually enough, and it keeps the rest of the jacket breathing well. Wash-in products are easier but coat the whole garment, so use them sparingly. Reproof once a season if you walk regularly, or whenever the beading fades.
Patching small tears and scuffs
Small rips are worth catching early, before they spread. The most common are shoulder and chest abrasion from rucksack straps, and nicks at the cuffs and hem.
- Clean and dry the area thoroughly. A wipe with isopropyl alcohol helps the patch stick.
- Round the corners of a peel-and-stick nylon repair patch with scissors — square corners peel up.
- Press it firmly over the tear, extending at least a centimetre past the damage on every side, and leave it to cure for several hours before wearing.
- On a hard-wearing shell without a membrane, a stitched patch is stronger and lasts longer. Sew it on with a fine needle and polyester thread, then seal the stitching with a little flexible adhesive if the area is exposed.
For a tear that goes right through a waterproof membrane, use a flexible seam-sealing adhesive under a patch, and follow the instructions carefully. Allow it to cure fully — ideally overnight — before the jacket goes back out in the rain.
Cords, toggles and velcro
Losing a hem cord toggle or snapping a hood adjuster is an annoyance, not a replacement trigger. Shock cord in two and three millimetre thickness is inexpensive, and a short length plus a couple of replacement toggles will restore a fit that has gone floppy.
Thread new cord through the channel using a large needle, a bit of stiff wire or a safety pin, then knot it and melt the cut end lightly with a match to stop it fraying. Zip pulls can be replaced with a small loop of cord knotted through the slider — much easier to grab with gloves on.
If cuff velcro has stopped gripping, it is usually the hook side that has clogged with fluff. Pick it clean with a needle, and if that fails, sew on a fresh strip. It is a ten-minute job that makes a noticeable difference on a wet, windy day.
A small kit and a seasonal habit
You do not need much: a soft brush, mild soap, silicone grease or a stub of beeswax, a few adhesive patches, small scissors, polyester thread and a needle. Keep it together and the repairs get done instead of postponed.
The best habit is a simple one — once a year, ideally at the end of winter, give the jacket an hour. Clean the zips, wash and reproof it, patch anything small, check the cords. Do that and a decent shell will look after you for a decade of Scottish weather, which is a far better outcome than buying another one every couple of seasons.
Spotlight
Baking Bannocks for a Coastal Picnic
Shipwreck Stories from a Rugged Coastline
Paddling Safely Around Sea Caves and Cliffs
Finding Quiet Beaches Away from Crowds