How many litres do you actually need in a multi-day tramping pack?
It’s one of the first questions people ask, and you’ll often see simple guides based on how many days you’re heading away.
Those guides can be useful as a starting point, but two people doing exactly the same trip can carry very different gear and need very different packs.
Choosing the right overnight tramping pack really comes down to five questions:
- What will you use it for?
- How much space does your gear need?
- How much does your load weigh?
- Which features will you actually use?
- Does the pack fit you properly?
Answer those questions and you’ll have a much clearer idea of the pack volume and carrying system you actually need.
Watch: How to Choose the Right Multi-Day Pack
Start With the Trips You Actually Do
Before looking at litre numbers, think about the types of trips you want your pack to handle.
An overnight hut trip, four days carrying camping gear and a winter mission can all place very different demands on a pack.
Focus first on the trips you do most often. Then think about how much flexibility you want for the occasional bigger mission.
You don’t necessarily need one pack that can do absolutely everything. You need one that works well for the trips you regularly do and gives you enough flexibility when your load changes.
How Much Space Does Your Gear Actually Need?
This is where simple pack-size charts can start to fall apart.
Imagine two people heading out for essentially the same overnight camping trip. Both are carrying a sleeping bag, sleeping mat, shelter, cooking equipment, clothing and wet-weather gear.
One person has a compact down sleeping bag, lightweight mat, small shelter and low-bulk clothing. The other has a bulkier sleeping bag, larger mat, heavier tent and bigger layers.
The trip is the same, but the pack volume they need could be very different.
That’s why your existing gear is often a better guide than the number of nights you’re heading away for.
Before choosing a pack, lay out the equipment you would realistically carry. It gives you a much better idea of how much room you actually need.
What Size Tramping Pack Do You Need?
Pack capacity is measured in litres. It tells you how much usable space is available for your gear, but it doesn’t tell you how much weight the pack is designed to carry comfortably.
These ranges are useful starting points rather than hard rules.
30 to 40L: Hut Trips and Lightweight Overnighters
A 30 to 40 litre pack can work for simple hut trips or lightweight overnight missions where your equipment is compact and you aren’t carrying much bulky gear.
For experienced trampers with a dialled-in setup, this might be plenty. For someone carrying larger equipment, it may be nowhere near enough.
40 to 50L: Lightweight Overnight and Short Multi-Day Trips
A 40 to 50 litre pack starts opening up lightweight overnight and shorter multi-day trips, particularly if you’re staying in huts or your equipment packs down small.
This is also where more specialised lightweight packs can become an option if the rest of your setup is designed around carrying less.
50 to 65L: General Multi-Day Tramping
For a lot of general New Zealand tramping, 50 to 65 litres gives you useful flexibility.
There’s more room for food, camping equipment, extra layers and slightly bulkier gear without needing to cram everything into every available space.
65L+: Bigger Loads and Longer Trips
Packs over 65 litres give you more room for longer trips, colder conditions, bulkier equipment, extra food or shared gear.
They can also make sense if you’re carrying equipment for the family or your existing tramping kit simply doesn’t pack down particularly small.
Remember, these ranges are starting points, not rules. Your own gear should ultimately help determine how much space you need.
Bigger Isn’t Automatically Better
It can be tempting to buy a much larger pack so you always have extra room.
A good compression system can help stabilise a smaller load inside a bigger pack, but significantly oversizing your pack can still make gear harder to position and may mean carrying more pack weight than you need.
Going too small causes the opposite problem.
If everything only just fits, you start squeezing equipment wherever you can rather than positioning it where it carries well. More gear can also end up strapped to the outside of the pack.
You’re looking for the right working range. Your normal gear should fit comfortably, with enough room to pack and compress it properly, plus some spare capacity for extra food, warmer layers or the occasional bigger trip.
Pack Volume and Load Weight Are Different
Finding a pack that’s physically big enough is only part of the decision.
Volume tells you whether your gear fits. Weight helps determine the carrying system you need.
Two 60 litre packs can be designed around very different loads.
One might be lightweight and minimal, with fewer components and less padding. Another may have a more substantial frame, harness and hipbelt designed to manage larger loads.
So there are really two questions to answer:
- Is there enough volume for my gear?
- Is this pack designed to carry the weight of that gear comfortably?
Lightweight and Minimal Packs
At the lighter end, pack designers can reduce weight by simplifying features, using lighter materials and reducing the amount of structure in the pack.
If the rest of your tramping setup is genuinely lightweight and compact, that can make a lot of sense.
The Black Diamond Beta Light 45, for example, takes a deliberately stripped-back approach with a roll-top design, lightweight materials and removable components.
The Exped Lightning 60 is another lightweight approach. It keeps an adjustable carrying system and aluminium stay while reducing unnecessary bulk and features.
Neither approach is automatically better than a more substantial pack. It depends on the weight and volume of the equipment you’re carrying and what you value from the pack itself.
Suspended Mesh vs Close-to-Body Back Systems
There are also important differences in how multi-day packs sit against your back.
Suspended Mesh Back Systems
A suspended mesh system creates a gap between the main body of the pack and your back. This allows more airflow, which can be particularly welcome when you’re working hard in warm conditions.
Osprey’s Atmos AG 65 and women’s Aura AG 65 are good examples. Their AntiGravity suspension uses a tensioned mesh system designed to create a ventilated, wraparound carry.
Closer-to-Body Back Systems
Other packs position the load closer to your body. That can provide a stable, controlled feeling, particularly when carrying heavier loads or moving through rough terrain.
The Osprey Aether 65 and women’s Ariel 65 use Osprey’s AirScape backpanel and are designed with greater emphasis on support and load management.
One system isn’t automatically better than the other. You might prioritise airflow, a close and stable carry, load support, lower pack weight or simply how a particular system feels on your body.
That last point is important. Pack fit is personal, so trying different systems with weight inside them is far more useful than choosing one purely from a specification sheet.
Which Pack Features Will You Actually Use?
Once you’ve got the fundamentals right, you can start comparing features.
A large stretch pocket can be useful for quickly stashing a wet rain jacket. You might also value hipbelt pockets, accessible bottle pockets, front or side entry, walking pole attachments, hydration compatibility or an integrated rain cover.
But more features don’t automatically make a better pack.
Extra zips, pockets and compartments can add convenience, but they can also add weight and complexity. Think about what you genuinely use rather than choosing the pack with the longest feature list.
Fit Is the Most Important Part
You can get the volume, carrying system and features right on paper and still end up with the wrong pack.
Ultimately, the pack needs to fit your body.
Torso length, shoulder shape and your hips all change the way a pack carries. Two packs with similar specifications can feel completely different once they’re adjusted and loaded.
That’s why we recommend getting fitted in-store wherever possible.
Our team can check your torso length, position the hipbelt correctly, adjust the harness, shoulder straps, load lifters and sternum strap, then add realistic weight to the pack.
That last step matters. An empty pack can feel great, but you’re not going tramping with an empty pack.
Loading it properly lets you identify pressure points, make adjustments and compare different packs under more realistic conditions.
How Do You Choose the Right Multi-Day Pack?
Rather than starting and finishing with a litre number, ask yourself five questions:
- What will I use it for? Think about the trips you actually do.
- How much space does my gear need? Your equipment can make a huge difference to pack volume.
- How much does my load weigh? Volume and load-carrying ability aren’t the same thing.
- Which features will I genuinely use? Prioritise useful features over a longer feature list.
- Does it fit properly? Try your pack with realistic weight wherever possible.
One of the most useful things you can do before shopping is lay out the gear you’d realistically take on a trip. That gives you a much clearer picture of both the volume and carrying support you need.
Then try a few packs with some weight inside them.
The right pack isn’t necessarily the lightest, biggest or most feature-packed. It’s the one that fits your body, carries your gear well and works for the trips you actually want to do.
