Backpack load lifters are small shoulder straps that pull the pack closer to your body so more weight rides on your hips instead of your shoulders.
Shoulder rub, a sore neck, and a pack that keeps drifting away from your back can turn a hike into hard work. Many hikers spend time fiddling with hipbelts and shoulder straps yet ignore the small straps hiding above them. Those thin webbing pieces are called load lifters, and once you know how they work, you can make even a heavy backpack feel calmer and easier to carry.
What Are Load Lifters On A Backpack?
On most hiking and travel packs, load lifters are short adjustable straps that run from the top of each shoulder strap up to an attachment point near the top of the pack frame. When you pull them snug, they tilt the top of the pack toward your upper back, shift part of the weight away from your shoulders, and keep the load from sagging backward.
They act like mini guy lines between your shoulders and the pack. Without them, a tall backpack can feel like it is hanging off your shoulders, rocking with every step. With well set load lifters, the pack stays closer to your spine, the hipbelt can carry more of the weight, and your shoulders handle less downward pull.
Backpack Strap Parts And What They Do
| Component | Where You Find It | Main Job |
|---|---|---|
| Hipbelt | Around your hips, padded wings with a buckle | Holds most of the pack weight on your hips instead of your shoulders |
| Shoulder Straps | Over the front of your shoulders and chest | Hang the pack on your body and keep it close to your torso |
| Sternum Strap | Small strap across your upper chest | Brings shoulder straps closer together for better stability |
| Load Lifter Straps | Short straps above the shoulders, running to the pack top | Pull the pack toward your upper back and reduce shoulder pressure |
| Side Compression Straps | Along the sides of the pack body | Flatten and tighten the load so it does not sway or bounce |
| Frame Or Frame Sheet | Inside the back panel of many packs | Gives structure so the hipbelt and load lifters can move weight |
| Back Panel Padding | Between the frame and your back | Cushions contact points and spreads pressure across a wider area |
Why Load Lifters Matter For Comfort And Control
The main goal of load lifter straps is comfort. By pulling the pack closer to your back, they move the pack’s center of mass in line with your spine. That change means your core muscles fight less against a backward tug, you stand taller, and the hipbelt can carry more of the weight where your body is stronger.
Good use of load lifters also improves control. When the pack hugs your upper back, it sways less on rocky steps, sidehills, and loose ground. Your feet can land where you want without a big weight swinging above you. Hikers often notice that their stride feels smoother as soon as the load lifters are dialed in.
Outdoor fit pages such as the REI backpack fit guide show that load lifters work best on packs with a real frame or frame sheet, because that framed back panel gives the straps something solid to pull against. On frameless daypacks, tightening those straps may only wrinkle the fabric instead of moving the load.
How Load Lifter Straps Work On Your Backpack
Think of the load as a rectangle stacked above your hips. The shoulder straps hold that block up, while the load lifters change its angle. When you tighten them, the pull travels from the top of your shoulders to the upper frame, which rotates the pack so the upper part comes closer to your back.
Most backpack makers recommend setting the load lifters at an angle of about 30 to 55 degrees between the shoulder strap and the pack body, with many aiming near 45 degrees. If the straps run straight forward or even downward, they cannot pull the pack up and in. If they run almost horizontal, they pinch down on your shoulders instead of sharing the load with the hipbelt.
That angle depends on both torso length and pack height. A pack that is too short for your back leaves the load lifters pointing down, which is a clue that you may need a longer size. A taller pack with the right frame height gives enough rise above your shoulders for the straps to work as intended.
When Load Lifters Actually Help
Load lifter straps shine when you carry weight above roughly 10 to 15 pounds in a pack with a frame. On overnight hikes or travel days with camera gear and water, they take strain off your shoulders during long climbs. On small frameless daypacks, though, they may only add clutter and extra straps to snag on brush.
A detailed breakdown on SectionHiker’s load lifter guide points out that the straps do the most good when the load rises above your shoulders and the hipbelt already fits well. In that setup, a small pull on each load lifter can shift weight onto the hips and keep the pack standing straight instead of drooping backward.
How To Adjust Load Lifters On Your Hiking Backpack
Many people first ask “what are load lifters on a backpack?” only after their shoulders ache. The fix comes from taking a few minutes to adjust the whole harness, not just yanking on the small straps. Use this simple sequence at home with your pack loaded with a realistic weight to practice before you head out.
Step-By-Step Backpack Fit Sequence
- Load The Pack Light To Medium. Add around 10 to 20 pounds of gear so the harness behaves the way it will on trail. Loose, empty packs are hard to tune.
- Loosen Every Strap. Undo the hipbelt, shoulder straps, sternum strap, side compression, and load lifters so the pack can settle in a fresh position.
- Set The Hipbelt First. Place the padded wings so the center of the belt sits over the tops of your hip bones. Tighten the buckle so the belt feels snug but still lets you breathe and bend.
- Snug The Shoulder Straps. Pull the webbing ends until the straps wrap around your shoulders without gaps. The anchor points on the pack should sit just behind the tops of your shoulders, not far down your back.
- Clip The Sternum Strap. Bring it across your chest so it sits roughly a finger or two below your collarbones. Tighten until the shoulder straps sit comfortably without pinching.
- Gently Pull The Load Lifters. Now work on the small straps above your shoulders. Pull each side a little at a time until you feel the top of the pack draw in toward your upper back and some weight shift away from the top of your shoulders.
- Check The Angle And Feel. In a mirror or with a friend, look for a load lifter angle of roughly 30 to 55 degrees, rising from your shoulders to the pack. You should feel contact along the shoulder straps without a gap at the front edge.
- Walk And Tweak. Walk around the room, climb a stair or two, and notice how the pack moves. If your shoulders feel pinched or a gap opens near your collarbones, back off the load lifters slightly and try again.
Fine-Tuning Load Lifters On The Trail
Once you start hiking, small changes in terrain and fatigue make your pack feel different. Keep the hipbelt as your base, then use the load lifters as a light trim control. On steep climbs, a bit more tension keeps the pack upright and close. On long downhills, easing them a touch can let the pack sit a little lower and feel more relaxed.
Try to keep both sides even so your shoulders share the load. If you feel one shoulder bite more than the other, stop and check the webbing lengths on both load lifters and shoulder straps. A quick adjustment here is much easier than pushing through hours of strain and arriving at camp with sore muscles.
Common Load Lifter Mistakes And Easy Fixes
Many hikers pull the small straps hard because they want relief right away. That habit can cause new problems while solving the old ones. Once you stop asking “what are load lifters on a backpack?” and start using them with care, this list of common issues and fixes helps you spot what is going on.
| Mistake | What You Feel | Quick Fix |
|---|---|---|
| Load lifters cranked too tight | Gap between shoulder strap and front of shoulder, rubbing at the back edge | Loosen each load lifter a little until the straps rest along the top of your shoulders again |
| Load lifters too loose | Top of the pack leans away from your back and sways with each step | Tighten both sides evenly until the pack sits close without feeling like it is pulling your head back |
| Straps angled downward | Load lifters run straight or down toward the pack, with little change in feel | Check torso size; a longer pack or raised harness position often brings the anchor points higher |
| Skipping hipbelt setup | Shoulders feel overloaded even with the load lifters tight | Reset the hipbelt so it hugs your hip bones, then redo shoulder straps and load lifters in order |
| Uneven strap tension | One shoulder feels heavier or more sore than the other | Count pulls on each side or compare webbing length so both load lifters match |
| Trying to fix a frameless pack | Straps wrinkle the fabric but the load still sags | Accept that some small packs lack a frame; treat those load lifters mainly as light stabilizers |
| Adjusting only when things hurt | Pain builds over the day instead of easing as you walk | Make small adjustments every hour or so before sore spots build up |
When You Can Skip Load Lifters On A Backpack
Not every pack needs load lifter straps. Small daypacks under around 20 liters that carry just a few pounds of water, snacks, and a layer often ride well with only shoulder straps and a simple hipbelt. In that case, adding load lifters might add clutter without real benefit.
Some travel packs and urban bags include load lifters mainly for looks. If your pack has a short back panel and the straps run straight from the shoulders to the top seam, those small straps may not reach a useful angle. You can still use them as mild stabilizers, but chasing a perfect angle will not change the basic fit.
For longer trips with food, water, and camping gear, choosing a pack with a solid frame, a well shaped hipbelt, and working load lifters is worth the effort. The right setup means less fatigue in your shoulders and neck and more energy left for the hike itself.
Final Thoughts On Backpack Load Lifters
A small pair of straps can change how a backpack feels over a long day outside. Now that you know what load lifters do, where they attach, and how to set their angle, you can glance at a pack and tell whether the load will ride close and balanced or drag backward.
Next time you shoulder a loaded pack, take a few minutes to run through the full fit sequence, then finish with gentle load lifter adjustments. With practice, those tiny tweaks turn into habit. Your shoulders stay calmer, your hips share the work, and the answer to “what are load lifters on a backpack?” becomes clear every time your pack feels stable and ready to move.