Can I just use a regular backpack for rucking, or will it hurt my back?
Forget light weights. Carrying 22% of your body weight boosts walking calorie burn by 12%. Learn why the standard 5% advice misses the metabolic mark.
Key Takeaways
What: Walking with a weighted vest to build stamina.
Why: Carrying 22% of your body weight increases calorie burn by over 12%.
How: Ditch the standard 5% beginner recommendation; use a proper rucking backpack or vest to reach the target load safely.
The Weight We Carry: Why Your Walk Needs a Dose of Reality
Walk down almost any neighborhood street or scroll through your social feeds, and you will likely see people walking with what look like weighted, tactical chest rigs. On TikTok, videos of women wearing weighted vests while walking have accumulated nearly 114,000 posts. On Instagram, the count is well past 138,000 posts. One highly-rated vest alone brings in approximately $4.8 million in monthly sales on Amazon.
This is not a passing social media fad. It is part of a massive fitness shift called rucking. Rucking is simply the practice of hiking or walking while carrying a physical load. It originated as a grueling form of military training, but it has quickly gone mainstream as a functional exercise regime for everyday men and women. The online community is highly active: a dedicated subreddit for rucking pulls in 23,000 visitors every week, while the hashtag #rucking has millions of views on TikTok.
But as with any viral trend, the transition from military discipline to lifestyle habit has watered down the science. Standard fitness guides usually advise beginners to start incredibly light. But if your goal is actual metabolic efficiency, that cautious advice might be holding you back.
The 22% Target: Why Light Weights Miss the Metabolic Mark
Expert rucking guides routinely suggest that beginners start with weights equal to just 5% of their body weight. While this slow-and-steady approach is safe for getting your joints used to walking under pressure, it misses the entire point of the exercise from a caloric standpoint.
A small, crucial study found that to get a serious metabolic return on your walking effort, you need to carry a lot more weight than standard lifestyle influencers claim. Specifically, individuals who wore a weighted vest equal to 22% of their body weight increased their calorie burn by more than 12%.
Here is what that looks like in practice. If you weigh 150 pounds, a standard 5% starter weight is a mere 7.5 pounds. While that feels slightly heavier than a normal walk, it does not trigger the significant metabolic engine that a heavier load does. To hit that 12% calorie-burn boost, that same 150-pound person needs to carry a 33-pound vest—more than four times the standard recommendation.
Starting with a light weight is fine for testing your balance, but staying there is a metabolic dead end. If you want the real physical benefits of this workout, you must aim for that 22% threshold.
Building Strength and Bone Density Under Load
Adding a significant physical load does more than just melt calories. It changes how your skeletal system supports itself. Weighted vests fit over your shoulders and fasten tightly with Velcro or buckles, keeping the resistance close to your center of gravity.
Carrying this weight forces your entire frame to work harder with every step. Many fitness enthusiasts believe that wearing these vests while walking can improve bone density and build muscle, making it an excellent option for long-term skeletal health.
Weighted vests typically weigh between five and sixty pounds, which allows you to scale up gradually. While soldiers in the military ruck with up to 90 pounds, everyday walkers can get incredible physical conditioning without pushing to those extreme military limits.
The Right Gear to Carry the Load Safely
If you are ready to move past the light-weight phase and approach that 22% target, you cannot just throw bricks into an old school bag. The transition to heavier loads requires the right gear to prevent injury.
You have a few options for carrying the weight. Some people simply add weights to a regular school backpack to turn it into a rucking pack. But as you scale up toward a heavier target, a standard backpack will dig into your shoulders and throw off your posture. Premium, more expensive rucking backpacks are built specifically for this purpose, featuring heavily padded shoulder straps and dedicated internal pockets to keep the weights from shifting around.
Inside the pack, you can use metal plates or sandbags as rucking weights. Metal plates are compact and fit snugly against your spine, while sandbags offer a softer, more dynamic feel.
Finally, do not overlook your feet. Beginners who are new to carrying heavy loads are highly susceptible to foot-related injuries like plantar fasciitis and tendinitis. This is where specialized rucking shoes come in. Unlike standard running sneakers, specialty rucking shoes are built to provide maximum support and stability, especially if you take your weighted walks off the pavement and into rugged hiking environments.
If you want to turn a simple walk into a powerful metabolic workout, stop playing it safe with tiny weights. Get the right gear, protect your feet, and build your way up to a load that actually forces your body to adapt.