Choosing what to wear hiking is much more important than just looking good. With a greater number of people than ever before exploring the outdoors for the first time, it’s not unusual to spot groups out and about in entirely inappropriate gear for the terrain they are playing around in.
Take Snowdon, in the UK's Snowdonia National Park, as an example. Even though it is one of the world's most popular peaks, it does not make it any less of a mountain. We've seen folks up there in all sorts: flip flops, handbags, shopping bags, soaked jeans and not a waterproof jacket in sight. Someone once even drove up the thing, but that's another story...
Knowing what to wear hiking comes with experience and what works for you might be different to what works for your mate. Personal preference also plays a part. For example, you might value the added ankle support and durability a full on hiking boot gives you, or you might prefer the lighter touch and trail feel of a trail running shoe. Also, the differences between men and women's gear is more pronounced today than it's ever been, so its worth bearing this in mind when making your choice.
But it’s not always obvious what the best adventure attire is, or what fabrics you should absolutely avoid. Fortunately, we’re here to help you avoid the worst wardrobe malfunctions of all – the ones that might put you in peril in the wilderness.
1. Hiking footwear
When considering what to wear hiking, great boots are arguably the most important aspect, so it’s worth investing in sturdy pair that will last. Leather hiking boots are warm in winter, while fabric boots are more breathable and better suited to spring and summer. There's always the best vegan footwear if you're wanting to avoid animal products too.
Pick boots that suit your planned activities – there’s no point go for a super technical pair (which will be heavier and stiffer) if you’re intending to do mostly short walks on easy trails in the summer months – in fact, hiking shoes might be better if this is you, or even walking sandals, but make sure you choose a pair designed specifically for hiking, with grippy rubber soles, wide adjustable straps and good heel support. There are also marked differences between the best women's hiking boots and the best options for men.
If you’re walking on rocky ground, choose a ‘shandal’ (we like Keen’s versions), which have closed toes for extra protection. But if you’re heading into the hills and you’re likely to encounter rainy weather, snow, rocks and stream crossings, then choose boots with thick, grippy, robust rubber soles (look out for Vibram soles) and that are fully waterproof. Try footwear on in-person and check they fit perfectly, with no rubbing or pinching.
2. Hiking socks
The best hiking socks work alongside your boots to keep you powering along the trails for miles and miles in comfort. Well-padded hiking-specific socks will stop any blisters and keep toes toasty in cold weather. Look for wool or merino wool socks (for example Smartwool or 1000-Mile), which are breathable and are naturally antimicrobial, and check the pair you pick have reinforced heels. In summer, swap thicker hiking socks for a lighter, breathable cotton pair such as Mountain Warehouse’s IsoCool range.
3. Base layers
It may sound like something your granny would advise, but it really is worth investing in a great set of thermals to wear as a base layer on cold weather hikes. Look for inner layers made with merino wool, which is warm, while also sweat-wicking and naturally antibacterial – we recommend Icebreaker’s excellent base layer range for men and women. At the moment, there's a growing trend for yak wool, which has similar properties to merino. On summer hikes, swap your base layers for lightweight synthetic t-shirts and shorts.
Heading out in chilly conditions? Pop an insulated mid-layer over your base layers to trap in body heat. A mid-layer can range from a technical t-shirt, or a shirt (handy for using the collar to protect your neck against sunburn) through to a warm fleece jacket, a gilet, a thick hoody-style layer or an insulated down jacket or a synthetic option (some of the latter are also water-resistant enough to work alone in a light shower). Its worth informing yourself regarding ethical down, before committing to a down jacket.
Pack a spare mid-layer if you can, to swap over if the other one gets damp through sweat or rain.
5. Waterproof jacket
Knowing how to stay dry while hiking can be the difference between enjoyment and misery on those wet days. Along with quality boots and a decent backpack, a waterproof is the most essential item in your kit. Hopefully, most of the time it will stay firmly stashed in the bottom of your pack but when the heavens do open, boy will you be glad you've got it.
So, don’t let rain stop play – pack a reliable waterproof jacket for your hikes. Jackets designed with a Gore-Tex membrane tend to be expensive but are definitely worth the splurge – this technical layer keeps rain out but still lets the jacket breathe, so you stay dry and don’t overheat. Unveiled in 2019, TNF's Futurelight fabric is a breathable waterproof rival to Gore-Tex and also comes highly recommended.
Otherwise, pick a model with a waterproof rating of at least 10,000mm-15,000mm hydrostatic head. Look for a jacket with a well-fitting hood, zipped pockets and ventilation zips under the armpits.
Even the best jackets loose their water repelling qualities after repeated use. It is worth investing in Nikwax's technical cleaning products, which can revitalize your jacket's waterproofing.
6. Walking trousers or trekking tights
Wondering what to wear hiking on your lower half? We recommend breathable classic-cut walking trousers for men and more form-fitting trekking tights for women (the latter tend to be better designed to women’s bodies, with higher waists). Fjallraven’s range of walking trousers and tights are expensive but worth every penny for function and fit.
Some trousers also sport reinforced sections on the rear and knees, which are ideal for sitting around your tent on overnight treks, and other brands – for example Berghaus – have a dedicated map pockets, which we have found hugely useful on the trail. Consider trousers with removable legs too, which make switching to shorts on a warm day a breeze.
Carry your kit in comfort with a great hiking backpack. If you’re out for a short walk, look for a lightweight daypack with up to 35 litre capacity. If you've got trail running ambitions, you'll want a hydration pack. For longer treks, thru-hiking and multi-day journeys, pick a bigger backpacking pack of 35–70 litres in size. Osprey do a great selection of bags ranging from tiny 9l backs to massive 105 expedition packs. Don’t forget to check your pack has a rain cover and plenty of pockets.
The best women's hiking backpacks are specifically designed to fit the female form and therefore differ markedly from men's options. There's also an increasinly diverse selection of dry bags if you're doing actvities like kayaking, or if the forecast is particularly grim and you want to keep those precious items bone dry.
If you’re venturing into the hills in the shoulder months of spring and autumn and, of course, during winter, it’s a very good idea to have hiking gloves and a hiking hat somewhere you can access them quickly and easily. Often, by the time you’ve conceded you need them, you’re often already cold and a bit fumbly, so choose a pocket in your pack where you know you can locate them. A buff can also be a useful thing to have, for keeping your face warm or protecting it from wind, sun and sand. In warmer weather, carry a cap or sun hat.
9. Sun cream
Keep your skin safe from the elements with a decent sunblock, and remember that it’s easy to burn on cloudy days, too. For intrepid adventures we always rely on P20, which goes on as a clear liquid and offers protection all day. If you’re going to remember to apply sunscreen, you might as well make sure it’s factor 50 - reapply if you sweat or if you stop for a wild swim.
It's worth remembering that the higher you go, the stronger the sun's UV rays. If you're up high in the Rockies, Alps or Greater Ranges and you're hiking alongside vast snowfields and glaciers you need to be even more vigilant. The sun's rays reflect of the snow's surface, meaning you've got UV coming from all angles!
You don’t need to splash loads of cash on expensive sunglasses if you aren’t going on a mountaineering trip, but make sure you do pack a pair of sunnies that block 100% of UV rays (polarised lenses are also good but are designed to cut glare, not UV light).
If you want a pair that can double up for more ambitious treks, choose a wraparound model, which offer more protection for your peepers, from a brand such as Julbo. Once again, throw sunshine and snow into the mix, like a summer trip in the Alps, and you need a high level of protection.
What NOT to wear hiking
If you kit yourself out with our list of essentials above, you’re likely to be comfy in fair or foul weather. On more casual short walks, it’s fine to wear non hiking-specific clothing, but if you’re venturing further afield or if the weather looks mixed, it’s a bad idea to rely on clothes that aren’t designed for the elements.
Avoid cotton, including jeans – once cotton gets wet, it takes ages to dry, which can reduce your body temperature fast, as well as being uncomfortable. Casual plimsolls or trainers won’t give you enough protection underfoot and probably won’t be weatherproof, and it sounds obvious, but any shoe or boot with a heel is a terrible idea if you don’t want a broken ankle on the trail.
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