The best waterproof trousers for winter

·6-min read

Average annual rainfall in the UK in 2020 reached 1,308mm, the third highest level since recording began. This means in autumn and winter, and let’s be honest spring and summer, you can never be sure what the sky has in store for you when you head out for a run.

With that in mind, we’ve chosen the best waterproof trousers out there for when you need that extra warmth and protection from incessant rain.

What to look for when buying waterproof trousers

When looking for waterproof running trousers, there are certain things you should bear in mind: firstly breathability. The more breathable the fabric, the less your legs will sweat.

Secondly, as with most technical clothing, lower weights mean higher prices, but if you’re looking to run long distances in your waterproof trousers, or carry them in your pack, you’ll appreciate those few gram savings.

Thirdly taped seams. Many trail runs require you to pack waterproof trousers as part of your mandatory kit, and they often specify they must have taped seams and comply with a waterproof standard of 10,000 HH (Hydrostatic Head). HH is a way of measuring how waterproof a fabric is and refers to how high in mm a column of water standing on the fabric would need to be before it penetrates the fibres – so 10,000 HH would be 10m high.

Fourth, how small it packs down. Some waterproof trousers pack down to the size of a tennis ball or smaller. These are great for stashing in a hip belt or bag if you’re planning a long run and black clouds are gathering.

It’s also worth noting the difference between waterproof and water-repellent or water-resistant. It may seem like a minor quibble, but when you’re 15 miles into a marathon-training run and have chosen a water-repellent pair of tights over waterproof trousers, you may be audibly swearing as your legs soak through and you’re struggling to lift a heavy pair of wet trousers stuck to your legs.

Some of these trousers make a ‘swishing’ noise on each stride, as the waterproof material rubs together – if you see that as a potential problem, look for slimmer-fitting models such as those from Salomon or On. Also, you’ll tend to find that most of these are aimed at trail runners or are made by brands in the trail-running arena – this doesn’t mean they’re not suitable for road running. If anything, they’ll be robust enough to stand up to wet weather road or track training.

OMM Halo Pant

OMM is an adventure specialist – the company engineers technical clothing that’s designed to withstand the most despicable weather you ever imagined. This means they work equally well on the roads or trails, and because they weigh a mere 80g – by far the lightest on this list – you barely notice they’re enshrouding your legs in their two layers of waterproof fabric. If you really want to make a statement, go for the green and blue (one leg of each).

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On Waterproof Pants

These are top-of-the-range, and the eye-watering price reflects that. But for the money you’ll get the ultimate protection: the waterproof membrane is constructed from three layers, is PFC-free and provides 20,000 HH protection. Not only do they look stylish, in keeping with On’s knack for creating on-trend, understated running wear you can wear on and off the track, but they also feature a clever design made from different materials on the upper and lower leg to aid movement and provide extra rain protection on the upper leg.

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Inov-8 TrailPant Waterproof Trousers

Trail running expert inov-8 knows all about rainfall – the company is based in the Lake District, after all, and it produces a range of waterproof running trousers. We’d recommend the top-end TrailPant for advanced levels of breathability and waterproofing. They’re constructed from 2.5 layers of waterproof fabric with taped seams and an impressive 20,000 HH rating.

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Evadict Trail Running Waterproof Rain Trousers

As ever, Decathlon has produced a high-quality piece of kit at the fraction of the price of competitors. These waterproof trousers feature taped seams and a waterproof level of 10,000 HH. They also pack down relatively small, but the low price comes at the expense of weight: the large men’s weigh 197g, which makes them a heavy option if you’re planning to carry them long-distance. The waterproof membrane is also not that sturdy – a snag on a branch or metal railing could potentially result in a tear and let water in.

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Helly Hansen Loke Pants

These trousers are waterproof, windproof and breathable, but at 185g are not ideal for carrying in case of a downpour – instead, it’s best to wear them to avoid carrying extra grams. They feature taped seams in a 2.5-layer laminate, and pack up into their own pocket, so if it warms up you can quickly take them off and stash them away in your bag.

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Salomon Bonatti Trousers

Unpack these when the conditions outside could be described as ‘hurricane-y’: they weigh in at the lighter end of the scale (110g), and are completely waterproof and weather-resistant. Whatever the heavens throw at these, they’ll shrug it off and yell, 'Is that all you’ve got?!' As a warning, they fit slimmer, so might be too tight if you’re planning to wear them over other joggers on cold runs.

OMM Kamleika Pant

Unlike many other waterproof trousers, these are built to stretch, so provide extra comfort in harsh weather. They began life more than 20 years ago, being tweaked over the years as the result of feedback from the hardiest of fell runners, and recently OMM added a nylon face fabric to add another layer of protection. They also feature a handy elastic lace hook that runs under the sole to stop any trail debris or extra water splashing in.

Water-repellent (rather than waterproof) trousers

UA OutRun The Storm Pants

Under Armour calls these trousers 'super-water-resistant' due to the Storm technology used on the OutRuns, so should last longer before getting sopping wet than other water-resistant trousers. They’re packable and are constructed from four-way stretch material to aid movement when running, plus feature a useful water-resistant pocket inside the waistband to tuck your phone in.

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Patagonia Wind Shield Pants

Another pair with a DWR (durable water-repellent) finish, making them suitable for light-rain running but best left behind if the forecast is for anything heavier. At 264g, they’re not the lightest, but they provide extra warmth for runs on cold, drizzly days while also letting your legs breathe via panels. And as they’re Patagonia, the eco credentials are top-notch – 68% of its fabrics are made with recycled products.

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Janji Transit Pant

These are water-repellent rather than resistant, so won’t keep you dry in prolonged, heavy rain – the kind you get in certain parts of the UK most days through winter. Janji’s Transits are not only protective from showers, but they’re also one of the few pairs of trousers that you’d feel happy about wearing when lounging about on your sofa post-run, too.

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