What Are Load Lifters and Do They Really Work?

If you've ever looked at a hiking, hunting, military, or backpacking pack, you've probably noticed a small set of straps running from the top of the shoulder straps to the upper portion of the pack. These are called load lifters. In some military, hunting, and mountaineering circles they are also known as overloaders.

Unfortunately, load lifters are one of the most misunderstood parts of a backpack. Some people believe they remove weight from the shoulders. Others tighten them until the shoulder straps no longer fit correctly. Still others assume they are decorative and serve no purpose at all.

The truth is that properly designed and adjusted load lifters can make a significant difference in comfort, balance, stability, and carrying efficiency.

To understand why, it helps to understand what load lifters are actually designed to do.

What Do Load Lifters Actually Do?

Load lifters do not magically remove weight from your shoulders.

Instead, they pull the upper portion of the backpack closer to your body. This reduces leverage created by the load and helps keep the pack's center of gravity closer to your spine.

Think about holding a gallon of water close to your chest versus holding it with your arm extended. The weight is identical, but the effort required feels very different because of leverage.

A backpack works the same way.

When the load sits close to the body, your skeletal structure can efficiently support the weight while your larger muscle groups focus on movement. When the load drifts away from your body, the pack begins acting like a lever that constantly pulls backward on your shoulders and lower back.

Load lifters help control that leverage.

What Load Lifters Cannot Do

One reason people often receive conflicting advice online is that load lifters are frequently expected to solve problems they were never designed to fix.

Load lifters cannot compensate for a poorly fitted backpack. They cannot make an overloaded pack comfortable. They cannot correct poor packing practices or replace a properly adjusted hip belt.

They are one component of an overall load carriage system.

When backpack fit, weight distribution, packing, and adjustment are all working together, load lifters help fine-tune how the load rides on the body.

Why Frame Height Matters

For load lifters to work properly, the pack must provide an attachment point above the shoulders.

This is where many low-cost backpacks fall short.

If the frame or pack structure does not extend above shoulder level, there is very little mechanical advantage available. The straps may tighten, but they cannot effectively pull the load toward the body.

This is one reason experienced backpackers often report that load lifters on one pack work extremely well while another pack seems to provide little benefit. The difference is frequently found in the frame design rather than the straps themselves.

A properly designed load lifter system uses the frame to create leverage. Without that leverage, the straps become little more than decoration.

The Problem With Decorative Load Lifters

Many manufacturers understand that customers expect to see load lifters on larger packs.

As a result, some packs include straps that look like load lifters but provide very little functional benefit.

Many premium backpack manufacturers invest considerable effort into frame geometry and load lifter design. By comparison, some budget-oriented packs include load lifter straps that provide little mechanical advantage because the frame height or attachment points are not positioned correctly.

Warning signs include attachment points located near shoulder level, straps that remain nearly horizontal when tightened, and systems that create little visible movement of the load.

A functional load lifter should visibly draw the upper portion of the pack closer to the wearer.

What the ALICE Frame Taught Me

Long before Squatch Survival Gear existed, I spent a lot of time carrying heavy loads in a modified ALICE pack.

One lesson many soldiers learned from the original ALICE frame was that the upper frame curved inward toward the neck. Many of us eventually straightened that section of the frame because it improved freedom of movement and reduced pressure on the neck and shoulders.

Small changes in load angle can make a significant difference during long movements.

That experience would later influence how I thought about load carriage, frame geometry, and pack comfort.

When Do Load Lifters Start Making a Difference?

In my experience, many people begin noticing the benefits of load lifters somewhere around the 20- to 30-pound range.

Below that weight, proper packing and fit often matter more than load lifter adjustment.

As loads increase, keeping weight close to the body becomes increasingly important. Once you begin carrying additional water, cold-weather gear, hunting equipment, emergency supplies, or multi-day backpacking gear, load lifters often become one of the most appreciated adjustments on the pack.

A Lesson Learned Carrying Water in Iraq

During a deployment to Iraq, I routinely carried up to 400 ounces of water in a modified ALICE pack.

Two hundred ounces rode in the center of the pack while 100-ounce hydration carriers rode in exterior pockets on each side. The arrangement made water easier to access, easier to refill, and allowed outside water to be consumed first while maintaining balance.

The pack did not have load lifters.

To keep the load under control, I often relied on compression straps to pull the weight closer to my body. Experiences like that influenced why we later incorporated functional load lifters into our backpack designs.

The largest load I personally carried in that system was approximately 120 pounds.

Heavy loads quickly teach the difference between weight that rides close to the body and weight that does not.

The Ideal Load Lifter Angle

Most backpack manufacturers aim for a load lifter angle between approximately 30 and 45 degrees.

This angle provides enough leverage to draw the load toward the body without disrupting shoulder harness fit.

Because of neck injuries accumulated during military service, I generally prefer a load lifter angle closer to 30 degrees. Other users may find a different setting works better depending on body type, pack design, and terrain.

The goal is not maximum tightness.

The goal is efficient positioning of the load.

When adjusted correctly, the pack feels stable, balanced, and close to the body without creating pressure points on the shoulders.

The Correct Adjustment Sequence

Load lifters should not be the first adjustment made when fitting a backpack.

A common adjustment sequence is:

Hip belt first.

Shoulder straps second.

Load lifters third.

Sternum strap last.

Adjusting load lifters before the backpack is properly positioned often creates an improper fit and makes troubleshooting more difficult.

Why Adjustments Change Throughout the Day

One mistake many backpackers make is setting their load lifters once and never touching them again.

The reality is that backpacks change throughout a trip.

Water gets consumed. Food gets eaten. Sleeping bags compress. Clothing shifts. Equipment settles into empty spaces.

After a water stop, sock change, or meal break, it is common to put a pack back on and immediately notice something feels different.

Even a small change that causes the load to pull away from the body, bounce more than before, or shift side to side can slowly drain energy throughout the day. The movement may seem minor at first, but over miles of travel it often contributes to increased fatigue and reduced efficiency.

Small adjustments throughout the day are completely normal.

Why Load Lifters Matter on Technical Terrain

The rougher the terrain becomes, the more important load control becomes.

On flat ground, a poorly positioned load may simply feel uncomfortable.

On steep climbs, loose rock descents, stream crossings, deadfall navigation, side-hilling, and uneven terrain, poor load control becomes more than a comfort issue.

A load that shifts unexpectedly can create unplanned balance changes. It does not take much to lose footing on unstable terrain. Falls often lead to injuries ranging from minor cuts and bruises to fractures, head injuries, or situations requiring assistance or rescue.

Keeping the load close to the body helps reduce those risks.

A pack that moves with you is easier to manage than a pack that constantly tries to move independently from you.

Can You Overtighten Load Lifters?

Absolutely.

Many people tighten load lifters until the shoulder straps begin lifting away from the shoulders.

This creates new problems.

Overtightening can create pressure points, disrupt pack fit, and reduce the effectiveness of the shoulder harness.

The goal is not to crank the straps down as hard as possible.

The goal is to bring the load close enough to the body that it moves efficiently while maintaining proper contact between the shoulder harness and the shoulders.

Small adjustments usually work better than large adjustments.

Do Load Lifters Really Work?

Yes.

When paired with a properly designed pack and adjusted correctly, load lifters can improve comfort, stability, posture, and carrying efficiency.

They do not eliminate weight.

They do not replace proper pack fit.

They do not compensate for poor packing practices.

What they do is improve the relationship between the load and your body.

When combined with proper backpack fit, intelligent packing, and realistic load weights, load lifters become one more tool that helps make long miles feel easier.

The best backpack is not the one with the most features.

The best backpack is the one that carries weight efficiently enough that you spend less time thinking about the pack and more time focusing on the journey.