Best Hiking Backpacks (2026)

How to Choose a Hiking Backpack: A Complete Buying Guide

Choosing a hiking backpack is one of those decisions that seems straightforward until you are standing on a hillside with a poorly fitting pack digging into your shoulders and your hip bones bruised from a belt that does not sit properly. The right pack transforms a challenging walk into a manageable one; the wrong pack turns an enjoyable overnighter into an ordeal. This guide will help you cut through the noise and find the backpack that genuinely suits your hiking ambitions, your body, and your budget.

What to Look For

Capacity: Matching Litres to Trip Type

The volume of a pack is measured in litres, and this single figure tells you a great deal about what a pack is designed for. As a rough guide:

20–30 litres — day hikes and fast-and-light excursions where you carry minimal kit
30–45 litres — longer day hikes, scrambles, or one-night trips with a small tent
45–65 litres — two- to five-night backpacking trips carrying a full shelter, sleeping system, and several days' food
65 litres and above — extended expeditions, winter camping with bulky gear, or carrying group kit

Most walkers buying their first dedicated hiking pack significantly overestimate how much volume they need. If you primarily do day walks in the UK, a 25–35 litre pack will be ample. Resist the temptation to size up on the basis that having extra space is better — a larger, heavier pack encourages you to fill it unnecessarily, which compounds the load problem.

Back Panel Ventilation

On any pack you intend to wear for several hours, airflow between the pack and your back matters enormously, particularly during warmer months or on steep ascents. There are two main approaches:

Trampoline or suspended mesh panels keep the pack body several centimetres away from your back, allowing air to circulate freely. The trade-off is a slight reduction in load transfer efficiency, as the pack sits further from your centre of gravity.

Contoured foam panels press closer to the back, aiding load transfer but generating considerably more heat. Some packs use perforated foam to partially address this.

For three-season walking in Britain — where conditions can shift from cool and wet to unexpectedly muggy — a ventilated back panel is a worthwhile feature at mid-range and premium price points.

Hip Belt and Load Transfer

The hip belt is arguably the most important component on any pack intended to carry more than about eight kilograms. Done properly, a good hip belt transfers the majority of the pack weight from your shoulders onto your hips and legs — the strongest part of your body — dramatically reducing fatigue over a long day.

For this to work, the belt must sit on your iliac crest (the prominent bony shelf at the top of your pelvis), not at your waist. The padded wings should wrap around comfortably without gaps, and when fastened, the shoulder straps should still make light contact with your shoulders rather than bearing most of the load.

On lighter day packs below about 30 litres, a minimal hip belt or simple stabilising strap is often sufficient. But once you are carrying 10 kg or more, invest in a pack with a properly padded, adjustable hip belt.

Rain Cover

The British weather being what it is, waterproofing is a practical necessity rather than a bonus. Some packs include a rain cover stored in a zip pocket at the base of the pack. These slip over the entire bag and shed rain effectively, though they can be fidgety in gusty wind.

Others rely on a waterproof or DWR-coated outer fabric that resists light rain but is not submersion-proof. If your pack does not include an integrated cover, buy one separately — it is a small investment that protects everything inside during a downpour.

Note that neither solution makes the interior completely waterproof in sustained heavy rain; critical items like electronics, documents, and spare clothing should be packed in drybags or heavy-duty bin liners regardless.

Hydration Compatibility

Most hiking packs include a dedicated sleeve for a hydration bladder (a flexible reservoir with a drinking tube that clips to your shoulder strap). This is a genuinely useful feature for longer days, as it encourages consistent drinking without stopping to retrieve a bottle.

The sleeve is typically positioned against the back panel, closest to your centre of gravity. Look for packs that also include a port — a small grommet or opening — through which the drinking tube can be routed.

If you prefer bottles, check for external side pockets large enough to hold a one-litre bottle. Stretchy mesh pockets are particularly useful as they accommodate different bottle sizes and allow single-handed retrieval while walking.

Access Points

How you get into your pack matters more than it might initially seem. There are three main configurations:

Top-loading packs have a single large opening at the top. They are simple, robust, and pack efficiently but can make retrieving items near the bottom frustrating once the pack is full.

Panel-loading packs (also called clamshell or zip-around designs) open like a suitcase, giving you access to the full interior. Far more convenient but often heavier and sometimes less weatherproof.

Hybrid designs combine a top lid with a front or side zip panel, offering the best of both worlds at the cost of some additional weight.

Additionally, look for external attachment points — lash loops, bungee cord panels, or ice axe loops — if you intend to carry trekking poles, wet gear, or specialist equipment externally.

Common Mistakes to Avoid

Buying Too Large a Pack for Day Hikes

This is the single most common purchasing error. A 65-litre expedition pack on a day walk is uncomfortable, unnecessarily heavy, and invites overpacking. A pack that is too large will not ride correctly on your body because it cannot be loaded to the weight needed to tension the hip belt and load lifters properly. Match the pack size to your actual use case, not your aspirational one.

Ignoring Torso Length

A pack that fits in terms of volume can still fit catastrophically in terms of torso length. Torso length is measured from your C7 vertebra (the bony prominence at the base of your neck) to the top of your iliac crest, not your overall height. Many manufacturers offer packs in short, regular, and long torso lengths, and some include an adjustable back system. Always check the manufacturer's torso length recommendations before buying, and where possible, try the pack on and load it with some weight to assess fit.

Overloading a Frameless Pack

Lighter, frameless packs — popular with ultralight walkers — are excellent when loaded sensibly, but they become uncomfortable and even potentially injurious when overloaded. Without an internal or external frame, the pack cannot transfer weight efficiently to the hip belt, and all the load ends up on the shoulders. If you regularly carry more than seven or eight kilograms, choose a pack with at least a basic frame sheet or aluminium stay system.

Neglecting the Hip Belt Size

Hip belt fit is separate from torso length. Many people buy a pack that fits their torso but overlook whether the hip belt wings will wrap properly around their hips. Most manufacturers provide hip belt sizing guidance; some packs allow the hip belt to be swapped for a different size, which is a useful feature if you are between sizes.

Price Tiers

Budget: Under £65

At this price point, expect functional packs with the basics covered: a simple frame sheet, adequate organisation, and reasonable build quality. Back panel ventilation is unlikely to be sophisticated, and the hip belts may offer limited padding. For casual walkers doing moderate day hikes, these packs are perfectly serviceable. Waterproof treatments and integrated rain covers are less common at this tier.

The main limitation is longevity and refinement. Cheaper packs often use less durable fabrics and zip systems that will show wear after a few seasons of regular use. They are an excellent entry point but expect to upgrade if hiking becomes a serious hobby.

Mid-Range: £65–£100

This is the sweet spot for most walkers. At this price, you gain meaningful improvements in back panel ventilation — often a genuine mesh suspended system — along with better padded hip belts, more thoughtful organisation, and more durable fabrics. Rain covers are more commonly included, and load transfer systems begin to genuinely distribute weight to the hips.

Packs in this bracket suit day hikers and those doing occasional overnight trips with moderate loads. The step up from budget is tangible and worth the additional investment for anyone hiking more than a handful of times per year.

Premium: £100 and Above

At the premium tier, you are paying for refined fit systems, significantly better materials, and often meaningful weight savings. Adjustable back systems allow precise torso fit, hip belts become substantially more supportive, and fabric choices improve in both durability and weather resistance. Premium packs also tend to offer better warranty terms and longer-term manufacturer support.

For anyone tackling multi-day routes, spending serious time in the mountains, or simply wanting a pack that will last a decade with proper care, the premium tier represents genuine value over time. The cost-per-use calculation often favours spending more upfront.

Questions to Ask Yourself Before Buying

Day Hike or Overnight?

This is the most important question. If you will primarily be doing single-day walks — even long ones — a 25–35 litre pack will serve you far better than a 50-litre expedition bag. If you plan to do overnight or multi-day trips, size up accordingly, but try to resist buying for an aspirational trip you may never actually take.

Do You Carry a Water Bladder?

If you prefer hydration bladders to bottles, prioritise packs with a dedicated reservoir sleeve and tube port. If you are a bottle carrier, focus instead on the size and accessibility of external side pockets. Neither approach is superior — it is a matter of personal habit.

Summer Only, or All-Season?

If you hike primarily in dry summer conditions, a ventilated back panel and lighter fabric may be priorities. If you walk through autumn, winter, and spring — as many British walkers do — lean toward packs with more substantial weather protection, integrated rain covers, and hip belt designs that accommodate walking in thicker clothing. Some packs include removable hip belt pockets that can be detached when wearing a thick jacket to avoid interference.

Are You Prone to Back Discomfort?

If you have a history of lower back or shoulder issues, the quality of the load transfer system becomes especially important. Spend the time to ensure proper fit, and consider visiting a specialist outdoor retailer where staff can help you adjust the pack correctly under load. A well-fitting pack that costs slightly more will always be a better decision than a cheaper one that exacerbates existing discomfort.

Final Thoughts

The hiking backpack market in Britain is well-served at every price point, and there is genuinely good kit available for day hikers and multi-day trekkers alike. The key principle is to resist buying for the trip you imagine rather than the trips you actually take, to prioritise fit over features, and to understand that a smaller, better-fitting pack loaded correctly will always outperform a larger one packed carelessly.

Once you have the capacity and fit dialled in, the organisational features, ventilation systems, and material quality differences between packs in the same bracket become meaningful differentiators. But none of those matter if the pack does not sit correctly on your body over a long day on the fells. Start with fit, everything else follows from there.