Introduction

Choosing a survival kit backpack is a balancing act. You need enough capacity for the equipment and supplies your kit requires without choosing a pack that is unnecessarily large, difficult to organize, or poorly suited to the weight you expect to carry.

The backpack also needs to fit properly, support the load, keep important equipment accessible, and work with the way your kit is organized.

In this article, you will learn how to evaluate:

• Capacity and expected load
• Backpack design and access
• Fit and suspension
• Organization
• Carrying water
• Construction and durability
• Weather protection
• Load placement and testing

You do not need to finish building your survival kit before choosing the backpack. Once you understand your kit’s purpose and general requirements, you have enough information to make an initial choice and validate it later with the loaded kit.

Watch This BEFORE you buy a backpack

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Start Here

This article walks you through the major decisions involved in choosing, organizing, and testing a backpack for your survival kit.

The article is organized around these main steps:

1. Determine the capacity your survival kit requires.
2. Estimate the expected load and the support needed to carry it.
3. Evaluate backpack design, access, fit, and suspension.
4. Consider organization, expansion, and water storage.
5. Inspect construction, durability, and weather protection.
6. Apply the selection criteria through practical exercises.
7. Organize the survival kit inside the backpack.
8. Load and test the backpack under realistic conditions.

Capacity and load support help you determine how much space your survival kit requires and whether the backpack is designed to carry the expected weight properly.

Backpack design, access, fit, and suspension explain how the pack opens, how equipment is reached, how the backpack should fit your body, and how the suspension system supports and stabilizes the load.

Organization, expansion, and carrying water address where equipment goes, how a modular kit can be arranged and adjusted, and how water storage affects access, balance, and cold-weather use.

Construction, durability, and weather protection show you what to look for in fabrics, zippers, buckles, stitching, webbing, and waterproofing methods so you can evaluate how well a backpack is built and how well it protects the equipment inside.

The two interactive exercises give you a chance to apply those principles to realistic backpack-selection and packing problems before moving into final organization and testing.

The final sections focus on organizing, loading, and testing the backpack. They bring the earlier decisions together by looking at weight distribution, equipment access, redundancy, movement, environmental conditions, and how the pack performs when it is actually loaded and carried.

If you are choosing a backpack for a new survival kit, work through the article step by step from capacity through final testing.

If you already have a backpack or need help with one specific part of the process, use the Jump To section to go directly to the subject you need.

Bug Out Backpack: How To Choose?

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Jump To

Use these links to go directly to any section of the article:

• Choosing the Right Capacity
• Expected Load and Load Support
• Backpack Design and Access
• Fit and Suspension
• Organization and Expansion
• Carrying Water
• Construction and Durability
• Weather Protection
• Interactive Exercise: Apply the Selection Criteria
• Organizing the Survival Kit
• Interactive Exercise: Spot the Problems
• Load and Test the Backpack
• Conclusion
• Continue Learning

Choosing the Right Capacity

Backpack capacity should be based on the equipment and supplies your survival kit is expected to carry.

For many general-purpose survival kits, a backpack in the 25–35 liter range provides a useful starting point. Your actual requirements depend on the kit.

Consider space for:

• Shelter
• Clothing
• Food
• Water
• Medical and personal equipment
• Tools and other survival equipment
• Modules, if your kit uses a modular design
• Additional equipment for specific environments, seasons, durations, situations, or personal requirements

Usable space matters as much as stated capacity. Compartments, pockets, internal dividers, and pack shape affect how equipment fits and how easily you can organize it.

Choose enough capacity for the equipment and supplies you expect to carry, with reasonable room for additions. An oversized pack adds bulk and encourages unnecessary equipment, while an undersized pack forces required gear into poor locations or excessive exterior carry.

What Size Backpack Should You Use?

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Expected Load and Load Support

Capacity tells you whether your equipment fits. Expected load tells you whether the backpack is suited to carrying it.

Estimate the loaded weight, including water, food, shelter, clothing, tools, medical supplies, and additional equipment. Water and food often create large changes in weight as they are consumed or replenished.

A pack may provide enough volume while offering inadequate support for the resulting load.

As the expected weight increases, pay closer attention to:

• Frame or structural support
• Suspension
• Shoulder straps
• Hip belt
• Load stability
• Weight transfer during movement

Choose a backpack that provides both the space and the support your expected load requires.

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Backpack Design and Access

The design of the backpack affects load support, organization, and access.

An internal frame provides structure and helps the pack maintain its shape under load. A frameless pack relies more heavily on how the contents are packed and is generally better suited to lighter loads. Match the design to the weight you expect to carry.

The opening also affects access. A top-loading backpack works well when equipment is packed in a logical order. A panel-loading design opens a larger portion of the pack and provides easier access throughout the main compartment.

The internal layout should match how you use the kit. Larger equipment often fits best in the main compartment, while frequently used or smaller items benefit from accessible pockets or compartments. Exterior storage and attachment points provide useful locations for equipment that needs quick access or is better carried outside the main compartment.

Choose a design that supports the load and gives you practical access to the equipment you need.

Bushcraft, Hiking & Camping Backpacks - Which one is best for your needs?

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Fit and Suspension

A backpack should fit your body well enough to carry the load with proper support and stability while you move.

Getting the fit right starts with how the pack rides on your back. Torso length should allow the shoulder straps, hip belt, and suspension system to align and work together.

The shoulder straps should hold the pack close to your body without creating pressure points or restricting movement. The hip belt transfers part of the load from your shoulders to your hips, while the sternum strap helps maintain shoulder-strap position.

The back panel and suspension should keep the load stable while you walk, bend, kneel, climb, or perform survival tasks.

Check fit with weight in the pack. An empty backpack tells you very little about how it will perform under load.

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Organization and Expansion

Organization affects access, balance, and the ability to change the kit as requirements change.

Place frequently used equipment where you can reach it without unloading the pack. Equipment used less often can remain deeper inside, especially when its placement improves weight distribution.

If your survival kit is modular, the backpack should make it easy to add, remove, and rearrange modules. Some modules fit neatly into their own pouch or compartment, while others benefit from distributing selected equipment throughout the pack for access, balance, or redundancy.

Compression straps help stabilize smaller loads. Expandable storage and external attachment points provide room for temporary additions.

Keep the pack organized and adaptable while resisting the temptation to fill every available space.

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Carrying Water

Water is one of the heaviest parts of a survival kit, so where you carry it affects pack balance and access to your water.

Common methods include:

• Bottles in exterior pockets
• Bottles inside the main compartment
• A hydration bladder in a dedicated sleeve
• A combination of bottles and a bladder

Some backpacks have exterior bottle pockets that keep water easy to reach and separated from other equipment. These pockets should hold bottles securely during walking, bending, climbing, and other movement.

Backpacks designed for hydration bladders usually include a sleeve and hose routing. A bladder keeps the water close to your back and allows drinking without removing a bottle.

Where you place the water affects balance. In general, position heavier water containers close to your back and near the middle of the pack. Distribute the weight from side to side.

Choose water storage containers that are easy to remove, refill, and return to the pack.

In freezing conditions, bottles carried in exterior pockets freeze faster than bottles protected inside the pack. Hydration hoses also freeze quickly. Move water inside the pack, use insulated bottle covers, and protect hydration hoses when freezing temperatures are expected.

Leave some empty space in rigid water containers during freezing conditions. Water expands as it freezes, and a completely full container has a greater chance of cracking, splitting, or leaking.

Protect equipment that must remain dry from leaking water containers. Electronics, medical supplies, fire-starting equipment, clothing, and other critical items should have separate waterproof protection.

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Construction and Durability

If you know what you are looking for, backpack specifications can tell you a lot about how that pack is built.

One useful specification is denier, shown as a number followed by D, such as 210D, 500D, or 1000D. Denier describes the linear density of the yarn. Higher numbers generally indicate heavier yarns, although fiber type, weave, coatings, and construction also affect durability.

High-tenacity nylon and CORDURA are common backpack materials. Heavier fabrics such as 500D and 1000D CORDURA provide strong abrasion resistance, while lighter fabrics reduce pack weight.

Manufacturers often use heavier material on the bottom, lower sides, attachment points, and other high-wear areas while using lighter fabric elsewhere.

Zippers deserve similar attention. Look for smooth operation, substantial teeth or coils, secure stitching, and pulls that are easy to operate with wet or gloved hands. YKK zippers are widely used by established backpack manufacturers and provide a useful quality indicator.

The material used in buckles and adjustment hardware also matters. Acetal is widely used in quality backpack hardware because it retains strength and stiffness through repeated flexing and performs across a broad temperature range. ITW Nexus lists acetal hardware for service down to about -40°F, making it useful for equipment used in freezing conditions.

Cold makes some lower-quality plastics brittle, while excessive heat softens or deforms others. Environmental extremes make material specifications more important.

Buckles should engage positively, release cleanly, and remain secure under tension. Check the hip-belt buckle, sternum strap, compression straps, and adjustment hardware.

Stitching should be tight, even, and reinforced where the pack carries load. Inspect:

• Shoulder-strap attachment points
• Hip-belt attachment points
• Carry handles
• Compression straps
• Exterior attachment points
• Bottom seams
• Heavily loaded compartments

Look for multiple rows of stitching, box stitching, bar tacks, or similar reinforcement.

Webbing should be securely sewn into the pack and appropriate for the load. MOLLE-style webbing, daisy chains, loops, and compression straps should be strongly anchored.

Use these specifications and construction details to compare packs rather than relying on broad marketing descriptions such as “rugged,” “heavy duty,” or “tactical.”

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Weather Protection

Most backpacks are water resistant rather than waterproof. Coated fabrics and water-resistant zippers slow water entry, but seams, openings, and prolonged exposure allow moisture inside.

Protect critical equipment in layers:

• Pack cover
• Heavy-duty contractor or trash-compactor bag used as an internal liner
• Dry bags
• Waterproof pouches or containers

A thick contractor bag or trash-compactor bag provides an inexpensive internal liner. A 3- or 4-mil bag offers greater tear and puncture resistance than a standard household trash bag.

Pack covers protect much of the exterior, while an internal liner protects the contents even when the outside of the backpack becomes soaked.

Use dry bags or waterproof containers for equipment that must stay dry, such as clothing, insulation, electronics, medical supplies, and fire-starting materials.

Match the level of protection to the conditions you expect to face.

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Interactive Exercise: Apply the Selection Criteria

Work through each scenario before revealing the answer. Use the backpack selection criteria from the previous sections to decide what matters most.

Scenario 1

You are building a survival kit for a three-day movement through cold, wet conditions. The kit includes shelter, extra clothing, food, water, medical supplies, tools, and cold-weather equipment. You will carry the pack for several hours each day over uneven terrain.

What should drive your backpack choice?

Show Answer

Consider capacity, loaded weight, suspension, fit, access, protected water storage, weather protection, and durability.

The longer duration, heavier load, cold-weather equipment, and repeated movement make support, fit, water protection, and weather resistance as important as volume.

Scenario 2

You are comparing two backpacks.

The first provides more capacity and exterior pockets but has a basic suspension system and limited hip-belt support.

The second provides slightly less capacity but has stronger suspension, a better-fitting hip belt, and easier access to the main compartment.

Your expected load will be carried for several days.

Which characteristics deserve priority?

Show Answer

The better choice balances required capacity with load support, fit, and access. Extra space has little value when the backpack carries the weight poorly.

Scenario 3

Your backpack carries comfortably, but water is concentrated on one side, rain gear is buried beneath shelter, and medical supplies are deep in the main compartment.

What should change?

Show Answer

Balance the water, move frequently used equipment to accessible locations, and organize the pack around both access and weight distribution.

Scenario 4

You use the same kit in summer and winter.

Winter adds insulation and clothing, increases pack weight, and exposes exterior water bottles to freezing temperatures.

What needs to change?

Show Answer

The winter configuration requires protected water storage, additional room, and greater attention to load support. Summer loads benefit from compression when the pack carries less volume.

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Organizing the Survival Kit

Once you choose the backpack, arrange the equipment so the load stays balanced and frequently used items remain accessible.

Heavier items generally belong close to your back and near the middle of the pack. Lighter, bulkier equipment can ride lower or farther from your back. Keep frequently used equipment near the top, in accessible compartments, or in exterior pockets.

Organization should also protect redundancy.

If you use The Lone Wolf System of Threes, distribute the three tools from each survival domain across different locations. Storing all three in one pouch or compartment creates a single point of failure.

For example:

• Carry one tool on your person.
• Store another in the primary module.
• Place the third in another pouch, pocket, or compartment.

This applies to fire-starting tools, cutting tools, lighting, navigation, and other survival domains that use the System of Threes.

A modular kit does not require every module to remain completely contained in one pouch. Distribute selected equipment when doing so improves access, balance, or redundancy.

Keep externally carried equipment secured tightly against the pack so it does not swing, snag, or shift the load.

Expert Advice - How to Pack Your Backpacking Pack

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Interactive Exercise: Spot the Problems

Work through each problem before revealing the answer.

Problem 1: Heavy Equipment in the Wrong Place

Most heavy equipment is packed toward the outside of the backpack.

What should change?

Show Answer

Move heavier equipment close to your back and near the middle of the pack. This keeps the weight closer to your body and improves stability.

Problem 2: An Unbalanced Water Load

Two full bottles are carried on one side of the backpack.

What should change?

Show Answer

Redistribute the water or other equipment so the pack remains balanced from side to side.

Problem 3: Critical Equipment Buried

Rain gear, medical supplies, and frequently used equipment are packed beneath shelter and clothing.

What should change?

Show Answer

Move frequently used and emergency equipment to locations you can reach without unloading the pack.

Problem 4: Redundancy Stored Together

All three fire-starting tools are stored in one pouch.

What is wrong with this arrangement?

Show Answer

Losing that pouch removes the entire fire-starting System of Threes. Distribute the tools among your person, primary module, and another pack location.

Problem 5: Excess Exterior Equipment

Several tools and other items are attached to the outside of the pack simply because attachment points are available.

What problems does this create?

Show Answer

Excess exterior equipment increases snagging, swinging, shifting, and poor weight distribution. Use exterior attachment points when they solve a specific access or carrying problem.

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Load and Test the Backpack

Once the backpack is loaded, test it in the conditions where you expect to use it.

Adjust the shoulder straps, hip belt, sternum strap, and suspension for the actual load. Walk with the pack long enough to identify pressure points, shifting weight, poor balance, or equipment that interferes with movement.

Environmental conditions reveal problems that an indoor test will miss.

If you live in an area with freezing temperatures, test the pack while wearing the clothing and outer layers you would actually use. Make sure the shoulder straps, hip belt, and sternum strap still adjust properly over heavier clothing. Check whether water storage, buckles, zippers, and frequently used equipment remain accessible with cold hands or gloves.

If you expect wet or rainy conditions, test how well the pack protects its contents and how easily you can reach rain gear, shelter, and other equipment without exposing the rest of the kit. Check whether the pack cover, internal liner, dry bags, and exterior pockets work the way you expect when the pack is wet.

If you live in a hot or desert environment, pay close attention to water capacity, water access, heat buildup against your back, and how the load feels after prolonged movement in high temperatures. Make sure hydration equipment stays accessible and the pack remains stable as water is consumed and the load changes.

During the test, check:

• How the pack rides on your back
• Whether the load stays balanced
• Whether heavier items remain stable
• Whether frequently used equipment is easy to reach
• Whether water is accessible
• Whether exterior equipment stays secure
• Whether the pack restricts bending, kneeling, climbing, or other normal movement
• Whether any straps, buckles, or attachment points loosen under load

Use survival training to test the organization as well as the fit. Practice reaching the equipment you expect to use frequently and perform normal tasks while wearing the pack.

Reorganize the load when a problem comes from placement or balance. If the backpack still does not provide the capacity, support, fit, access, or stability you need, choose a different pack.

Most Do This Incorrectly - How To Pack Your Backpack Like A PRO! - Outdoor Basics

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Conclusion

Choosing a survival backpack should be based on how well the pack supports the equipment and supplies, weight, and the conditions your kit is built around.

The right backpack should provide enough capacity, fit properly, support the expected load, keep important equipment accessible, and allow the kit to remain organized as your needs change.

Test the loaded backpack in the conditions where you expect to use it. Problems with fit, balance, access, weather protection, water storage, and durability become much easier to identify once the pack is being used as intended.

With the carrying method established, the next step is choosing the equipment that goes into the kit.

Part 7: Cutting Tools for Survival Kits begins with knives, axes and hatchets, saws, machetes, and how they fit into The Lone Wolf Cutting Tool System.

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Continue Learning

Continue learning through these related Lone Wolf survival systems, domains, hubs, and articles.

• Survival Kits Domain Overview
• The Lone Wolf Survival Kit System
• Cutting Tools Domain Fundamentals and Overview
• Survival Knife Selection Hub
• Survival Knife Care and Maintenance Hub
• Best All Around Stainless Survival Knife Steels — Part 11 of 18
• Top 25 Off-Brand Survival Fixed Blade Knives
• GMRS Survival Communications Hub
• Creating an Effective Survival Food System — Part 8 of 8

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