How to Attach a Sternum Strap to Your Backpack
By Bags For Laptops & Tech Devices | Waterfield Designs | Published: 2026-10-18
Category: How-to Guides
Learn how to quickly attach a sternum strap to your backpack for a more stable, comfortable carry. Step-by-step guide with common mistakes to avoid.
Quick answer
Attaching a sternum strap is a simple process that takes under a minute: slide the strap clips onto your backpack's shoulder strap webbing, adjust the height to chest level, and snap the buckle closed.
Why add a sternum strap?
A sternum strap connects the two shoulder straps across your chest, preventing them from sliding off your shoulders. This is especially helpful when you're moving actively—walking fast, biking, or navigating a crowded commute. It also redistributes some of the pack's weight from your shoulders to your torso, reducing fatigue over longer carries.
Choosing the right strap for your backpack
Most sternum straps are designed to fit standard backpack webbing, but not all backpacks have the same strap width or attachment points. Check that the strap's clips match your backpack's webbing width before buying. The Sternum Strap for Air Porter Backpack, for example, is built specifically for that model and the Tech Folio Tank Backpack, ensuring a secure fit without slipping.
How to attach a sternum strap in 3 steps
- 1. Locate the attachment points: Look for the webbing loops or slots on each shoulder strap—usually near the top or middle. If your backpack has dedicated daisy chains or ladder locks, use those. Otherwise, slide the sternum strap clips directly onto the webbing. Common mistake: Trying to attach the strap to the pack's side compression straps instead of the shoulder straps. Always attach to the shoulder webbing.
- 2. Slide and position the clips: Open each clip and slide it onto the shoulder strap webbing. Position both clips at the same height, roughly at your chest or just below your collarbone. Slide them up or down until the strap sits flat across your chest without pulling the shoulder straps inward. Checkpoint: The strap should be snug but not tight—you should be able to breathe deeply and move your arms freely.
- 3. Buckle and adjust tension: Snap the buckle halves together. Adjust the strap length so it connects without slack. If your sternum strap has a sliding adjuster, use it to fine-tune the tension. Once set, the strap should stay in place during movement without riding up or slipping down. Common mistake: Overtightening the strap can restrict breathing and cause shoulder discomfort. Loosen it slightly if you feel pressure on your chest.
Product details
- Sternum Strap for Air Porter Backpack: Compatible with Air Porter Backpack and Tech Folio Tank Backpack If you own one of these packs, this strap is a guaranteed fit—no guesswork on webbing width or clip compatibility.
Sternum Strap for Air Porter Backpack
