Understand These 18 Parts Of A Backpack Before Buying One

Understanding the anatomy of the backpack is important. It helps you choose a backpack based on your needs. Often, I see trekkers buying backpacks without judging them on key parameters. It’s only during/after the trek that they realise what could have been better about the backpack.

In this article, I’m putting down the key parts of a backpack that most good trekking backpacks have. I’ve also indicated what each of their uses is. So look out for these parts if you’re buying a backpack.

parts of a Backpack - Indiahikes
The basic different parts of a backpack.

Upper Compartment

Top Pocket

This is where you keep things that you need to access quickly. Sunscreens, sunglasses, pocket guides, books, maps. This usually comes with a zip facing the back. Packing the top pocket is crucial. It gives shape to the backpack and helps it to balance.

Inner Top Pocket 

This is on the inside of the top compartment. Keep your batteries, headlamps, camera parts, power banks, and documents here.

Parts of the backpack - Indiahikes
The different straps and belts on the backpack.

Middle Compartment

Backpack Handle

This needs to be sturdy and strong. Most airline handlers grab backpacks by this handle and throw your backpack around. If your backpack does not have this, then they will grab what comes next, which is usually the strings near the upper compartment. Your backpack could do with insurance if that’s the case.

Load Adjuster Straps 

These straps are often ignored at their peril. These little busters help shift the load of the backpack to the right parts of your body. Tighten or loosen them to make the backpack sit snugly on your body. Without these, don’t buy a backpack. They are that important.

Contoured Shoulder Straps 

These are contoured in a boomerang shape. They hold firm and have padding. They never bend over your fingers. Pay close attention to this. Without the shape and the padding, don’t go near the backpack. These take the entire load of the backpack.

Shoulder Strap Adjuster

These keep the shoulder straps in place. They decide how the backpack sits. Too loose, the backpack slides towards your bottom. Too tight and the shoulder straps bite through your shoulders.

Tip: always readjust the shoulder strap adjusters after the first day’s trek. It takes a day for them to settle to the height and volume of the backpack.

Compression Strap

One of the least used straps by trekkers, yet very useful. They keep things together inside the backpack. These are the straps that keep backpacks in shape, which, when you trek, is very critical. An out of shape backpack is a hazard to trekking. This keeps the backpack balance in place.

Sternum Strap

Again, a load sharing strap that is rarely used by trekkers. Sternum straps ease the pressure on your shoulders. Without the sternum straps, a backpack can feel like a ton. With one, it magically spreads out. Use them.

Side Pockets

Terrific utility space to keep quickly needed stuff. Great for gloves, sunglasses, umbrellas, balaclavas, scarfs, medicine kits. Don’t overload or bulge the side pockets. It can affect the balance of the backpack.

Hip Belt

These help in reducing the load from your shoulders by almost 80%. It is the greatest suspension device in your backpack. Hip belts not only transfer the weight of the backpack to your hip, the burden of carrying the load moves to your legs as well. Hip belts are strictly not meant to hang down on your legs.

Hip Pouches

Modern backpacks have now added hip pouches to keep quickly accessible stuff. Useful to keep pen knives, matchboxes, pens, candies, chargers.

Stabiliser Strap

This connects the hip belts to the main body of the backpack. It helps to adjust the load of the backpack to the hips.  

Ventilation System

Any backpack worth its salt will need to come with a mesh-like ventilation system. It prevents your back from sweating, with air circulating around.

Lumbar Pad

This is the greatest asset for your spine. It keeps your spine straight, gives it cushion and prevents injury. The lumbar design makes a big difference. Avoid anything that is too spongy — those tend to push against your spine. Lumbar pads are another vital part of backpack design.

Parts of a backpack - Indiahikes
Side view of the backpack with all its different labelled parts.

Lower Compartment

Traditionally this is where sleeping bags were kept. With organised trekking, use this space to keep your rain jackets, floaters, soiled clothes, liners.

Ice Axe Loops

Generally not used much by trekkers. Seasoned trekkers use them to hang ice axes or tools like carabiners. Definitely not meant to hang floaters or water bottles. Nothing must dangle from your backpack.

Accessories Pouch

For keeping water bottles or sundry accessories. Especially useful if you don’t like using hydration packs and need to dig into your water bottle. A backpack without an accessories pouch is almost useless. Also useful to keep litter, wrappers.

Rain Cover

Any decent backpack must come with its own rain cover. They are attached to the inside of the pouch so that they don’t get lost. Slides easily over the entire backpack.

Hydration Pouch

This is usually inside the middle of the backpack at the back. This is where you keep your hydration pack. There is usually a slit on the top for the nozzle to pass through. There’s usually also another pouch in front of the hydration pouch to keep maps or any important documents like a passport.

Getting a good backpack is important to take off the load from your back and shoulders. An improper backpack can quickly ruin your experience of a trek. Get it right and you will enjoy your trek to the maximum.


What you should do now

1. If you want to rent/buy a good backpack for your upcoming trek: Go to this page – We have an Adventure Worx for Indiahikes backpack up for rent/sale.

2. If you’re looking for treks to do: Then head over to our upcoming treks page. You’ll find all our Himalayan treks there.

3. If you want to work with us: Head over to our careers page. We have lots of positions open. We also have lots of applications coming in. So the sooner you apply, the better.

4. If you want to see the 13 best treks of India: Then get our guide here.

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Arjun Majumdar

Arjun Majumdar

An entrepreneur by profession and a trekker by passion, Arjun started Indiahikes in 2008. With a vision to explore and document new trails, solve problems in the mountains and implement sustainable ways of trekking, he leads Indiahikes, a community that has changed the face of trekking in India. He has written extensively for Discover India magazine and is a TedX speaker. Read Arjun's other articles. Read the full text of Arjun's TedX talk. Watch Arjun speak about our trekking trails. Learn from Arjun about what it's like to work at Indiahikes.

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