The landscape for ultra lightweight backpacks changed dramatically when packable tech entered the picture. Having tested dozens myself, I can confidently say that a truly good one should feel like carrying almost nothing, yet still hold enough for a day’s essentials. My go-to is the MIYCOO 35L Water-Resistant Packable Hiking Backpack—it’s so light, it nearly disappears once folded, but opens up to a spacious 35L with three compartments. The water-resistant fabric, plus heavy-duty zippers, make it ideal for unpredictable weather, and bonus safety features like a survival whistle give peace of mind on outdoor adventures.
Compared to the ZOMAKE options, which are also super lightweight and compact, MIYCOO offers a larger capacity with dedicated wet/dry sections and a more robust build quality. While the ZOMAKE packs are excellent for lighter needs, the MIYCOO’s durability and safety features tipped the scales for me. After thorough testing, I recommend the MIYCOO 35L Water-Resistant Packable Hiking Backpack as the best choice for anyone wanting performance, practicality, and peace of mind in an ultra-light design.
Top Recommendation: MIYCOO 35L Water-Resistant Packable Hiking Backpack
Why We Recommend It: It stands out with its large capacity (35L), water resistance (IPX4 rated fabric), and durable upgraded zippers. Its foldability into a tiny 4.5 x 3.9 x 7.8-inch pocket makes it incredibly convenient, and the safety features like a survival whistle and anti-theft zipper clips add significant value for outdoor use. These features combine to offer the best balance of size, strength, and safety among the tested options.
Best ultra lightweight backpack: Our Top 4 Picks
- MIYCOO 35L Water-Resistant Packable Hiking Backpack – Best ultra lightweight hiking backpack
- ZOMAKE 20L Lightweight Water-Resistant Hiking Backpack – Best lightweight hiking backpack
- ZOMAKE 20L Lightweight Packable Hiking Backpack Navy Blue – Best ultra lightweight school backpack
- RTIC Ultra Dry Backpack Waterproof 26 L, Black & Graphite – Best waterproof backpack for outdoor adventures
MIYCOO 35L Water-Resistant Packable Hiking Backpack
- ✓ Ultra lightweight and packable
- ✓ Water-resistant with durability
- ✓ Multiple compartments and safety features
- ✕ Limited heavy rain protection
- ✕ Slightly small for very bulky items
| Material | Water-resistant fabric with heavy-duty zippers and reinforced stress points |
| Capacity | 35 liters |
| Unfolded Dimensions | 12.5 x 8.5 x 20.9 inches |
| Folded Dimensions | 4.5 x 3.9 x 7.8 inches |
| Water Resistance Rating | IPX4 |
| Additional Features | Anti-theft zipper clips, survival whistle on shoulder strap |
You’re packing your day bag for a quick hike, and suddenly the sky darkens. You reach into your pocket and pull out this tiny, foldable backpack, which looks like a small cloth pouch.
As you unfold it, it instantly springs into a surprisingly spacious 35L pack, ready to hold your water bottle, snacks, and even a light jacket.
Holding it in your hand, you notice how featherlight it is—roughly half the weight of your phone. The fabric feels smooth but sturdy, with a slight water-resistant sheen.
The zippers are hefty and glide smoothly, promising durability even with frequent use.
Once on your back, you appreciate the multiple compartments, which help keep your gear organized. The wet compartment is a lifesaver when you decide to bring along a damp towel or sweaty clothes.
And that survival whistle clipped to the strap? It’s small but reassuring, just in case.
Even with a full load, the backpack remains comfortable to wear, thanks to the padded shoulder straps. When the rain starts, you’re confident the IPX4 water resistance will handle light splashes without a problem.
Folding it back into its tiny pouch is just as easy—perfect for saving space in your suitcase or pocket.
Honestly, it’s a practical, well-designed option for anyone who needs a lightweight, packable backpack that doesn’t sacrifice capacity or durability. Whether for travel, day hikes, or unexpected shopping sprees, it’s a handy companion that’s ready when you are.
ZOMAKE 20L Lightweight Water-Resistant Hiking Backpack
- ✓ Ultra lightweight and packable
- ✓ Durable water-resistant fabric
- ✓ Comfortable ergonomic design
- ✕ Not fully waterproof
- ✕ Limited capacity for longer trips
| Capacity | 20 liters |
| Material | Nylon with water-resistant and tear-resistant coating |
| Weight | 0.5 pounds (approximately 227 grams) |
| Dimensions (Unfolded) | 17.71 x 5.5 x 10.6 inches |
| Folded Size | 6.7 x 6.7 x 1.97 inches |
| Design Features | Ergonomic back design, reflective strips for night safety |
There was a moment during my recent trip when I realized just how much a lightweight backpack can change the game. I was rummaging through my luggage, trying to find a small bag to carry essentials during a quick city walk.
That’s when I finally pulled out the ZOMAKE 20L packable backpack, and I have to say, it exceeded my expectations right away.
The first thing that caught my eye was its compact foldability. It folds down to roughly the size of a sandwich, fitting perfectly into my pocket, handbag, or carry-on.
When unfolded, it’s surprisingly spacious for just 0.5 pounds. I used it to carry my water bottle, snacks, and a lightweight jacket, and there was still room left over.
The material feels durable yet lightweight, with a water-resistant nylon that handled light rain without a fuss. The zippers are smooth and sturdy, which is a relief because nothing ruins a day faster than stuck zippers.
The ergonomic back design made it comfortable to wear even during longer walks, and the reflective strips added a nice touch of safety for evening strolls.
What I really loved is how versatile it is. Whether I was shopping, hiking, or just exploring, it was easy to carry around.
Plus, its multiple compartments kept my belongings organized and accessible. Honestly, for the price, this pack checks all the boxes for a travel and everyday companion.
Of course, it’s not fully waterproof—so don’t forget a rain cover for heavy downpours. And the 20L capacity might be a bit small for those packing for longer trips.
Still, for quick trips, daily errands, or emergencies, it’s a solid choice that I’ll keep handy.
ZOMAKE 20L Lightweight Packable Hiking Backpack Navy Blue
- ✓ Ultra lightweight and portable
- ✓ Water-resistant nylon material
- ✓ Ergonomic back design
- ✕ Not fully waterproof
- ✕ Limited to 20L capacity
| Capacity | 20 liters |
| Weight | 0.5 pounds (approximately 227 grams) |
| Material | Nylon with water-resistant and tear-resistant properties |
| Dimensions (Unfolded) | 17.71 x 5.5 x 10.6 inches |
| Folded Size | 6.7 x 6.7 x 1.97 inches |
| Features | Ergonomic back design, water-resistant zippers, multiple compartments including front and side pockets |
Imagine you’re rushing through a busy airport, luggage in one hand, and a sudden urge to explore a quick trail or grab a snack. You reach into your bag and pull out the ZOMAKE 20L packable backpack, which is surprisingly light in your hand—just about half a pound.
It folds up into a tiny square, about the size of a sandwich, fitting easily into your pocket or travel pouch.
This backpack opens up quickly to reveal a sleek navy blue exterior, with a reasonable 20L capacity. It’s big enough to hold a change of clothes, a water bottle, or a few snacks without feeling bulky.
The main compartment is thoughtfully divided, keeping things organized, and two side pockets are perfect for water bottles or sunglasses. The front pocket is handy for smaller items like your phone or keys.
The nylon material feels durable yet lightweight, with water resistance that’s great for light rain or splashes—perfect for unpredictable weather. I noticed the zippers glide smoothly, and the reinforced stitching makes it feel sturdy enough for daily use.
The ergonomic back design reduces shoulder strain, even when I packed it full.
What I really appreciate is how easy it is to pack away again after use. It folds into that tiny pocket, saving space in my luggage or purse.
The anti-light strip on the zippers adds a layer of safety for evening walks, which is a nice touch.
Overall, this ZOMAKE backpack is a fantastic travel companion—light, versatile, and well-made. It’s ideal for quick trips, outdoor errands, or as an extra bag to toss in your suitcase.
RTIC Ultra Dry Backpack Waterproof 26 L, Black & Graphite
- ✓ Ultra-lightweight design
- ✓ Excellent waterproof protection
- ✓ Comfortable, ergonomic straps
- ✕ Not submersible
- ✕ Slightly pricey
| Capacity | 26 liters |
| Material | Fully waterproof, coated, puncture-resistant fabric with welded seams |
| Weight | 3.15 lbs (1.43 kg) |
| Dimensions | 11″ L x 9″ W x 18″ H |
| Closure System | Watertight EZ zippers |
| Additional Features | Luggage strap, laptop compartment, reflective safety light loop |
Many people assume a waterproof backpack is just a fancy plastic bag with a strap, but this RTIC Ultra Dry Backpack proves otherwise. It’s surprisingly sleek, with a sturdy, coated fabric that feels durable yet lightweight.
When I first picked it up, I was impressed by how light it was—just over three pounds—yet it feels solid in hand.
The moment I packed it for a day hike, I noticed how effortlessly the open-book design gave me full access to all my gear. Internal pockets and different-sized compartments made organization simple, which I appreciated.
The welded seams and watertight EZ zippers really do keep water out, even when I accidentally splashed through a creek.
Comfort-wise, the padded straps are well-cushioned and don’t dig into your shoulders during long carries. The luggage strap is a nice touch—slides right onto a rolling suitcase, making airport travel less stressful.
I also liked the reflective light loop, which added a little extra safety during late evening walks.
What surprised me most is how well it handles moisture. I left it outside in the rain for a while, and everything inside stayed completely dry.
That said, I wouldn’t recommend submerging it, as it’s designed for rain and splashes, not full immersion.
Overall, whether you’re hiking, commuting, or heading to the beach, this backpack offers serious waterproof protection without the bulk. It’s a sleek, functional choice for anyone who wants reliable gear protection and comfort in one package.
What Are the Key Features of the Best Ultra Lightweight Backpacks?
Storage options enhance the functionality of ultra lightweight backpacks, providing various compartments and pockets for organization. This allows users to keep their gear neatly arranged and easily accessible, which is particularly beneficial during hikes or when traveling.
Packability is a desirable attribute, especially for travelers or those with limited storage space. Many ultra lightweight backpacks can fold into themselves or compress down, making them easy to stow in luggage or carry as a secondary bag.
Water resistance is critical for protecting gear from rain and moisture. Many of the best ultra lightweight backpacks incorporate water-resistant materials or come equipped with rain covers, ensuring that contents remain dry and safe during adverse weather conditions.
How Do Different Brands Compare for Ultra Lightweight Backpacks?
| Brand | Weight | Price | Capacity | Durability | Customer Reviews | Warranty |
|---|---|---|---|---|---|---|
| Brand A | 1.2 lbs – Extremely lightweight, ideal for long hikes. | $80 – Budget-friendly option with good quality. | 40L – Spacious enough for weekend trips. | High durability nylon material | 4.5/5 – Highly rated for comfort | 1-year warranty |
| Brand B | 1.5 lbs – Slightly heavier but offers more durability. | $120 – Mid-range pricing for added features. | 50L – Great for extended backpacking adventures. | Reinforced seams for long-lasting use | 4.0/5 – Praised for durability | 2-year warranty |
| Brand C | 1.0 lbs – Ultra-light design, perfect for minimalists. | $150 – Premium price for high-end materials. | 35L – Compact size for short excursions. | Ultra-durable ripstop fabric | 4.8/5 – Excellent for minimalists | Lifetime warranty |
What Are the Benefits of Using an Ultra Lightweight Backpack for Hiking?
The benefits of using an ultra lightweight backpack for hiking include enhanced comfort, increased efficiency, and improved mobility.
- Comfort: An ultra lightweight backpack reduces the overall weight you carry, which minimizes strain on your back and shoulders. This added comfort allows you to hike for longer periods without experiencing significant fatigue or discomfort.
- Efficiency: With a lighter pack, you can move more quickly and conserve energy during your hikes. This efficiency can lead to improved performance, especially on longer trails where every ounce of weight matters.
- Improved Mobility: Lighter backpacks allow for greater freedom of movement, making it easier to navigate tricky terrains or steep inclines. This agility can enhance your overall hiking experience, allowing you to focus on the scenery instead of the weight on your back.
- Enhanced Storage Options: Many ultra lightweight backpacks are designed with smart storage solutions that maximize space without adding bulk. This means you can carry essential gear and supplies without compromising on weight, ensuring you have everything you need for your hike.
- Versatility: Ultra lightweight backpacks are often designed for multi-day use, allowing you to take them on various adventures, from day hikes to longer backpacking trips. Their adaptability makes them a great investment for different types of outdoor activities.
What Materials Make Up the Best Ultra Lightweight Backpacks?
The best ultra lightweight backpacks are typically made from materials that balance durability, weight, and weather resistance.
- Ripstop Nylon: This material is known for its lightweight properties and durability, thanks to the reinforcement provided by a grid pattern of stronger threads. It resists tearing and is often treated with water-resistant coatings, making it suitable for various outdoor conditions.
- Dyneema (Cuben Fiber): Dyneema is an incredibly strong and lightweight fabric, often used in high-end ultralight backpacks. It is waterproof and has a high tensile strength-to-weight ratio, making it ideal for hikers who prioritize weight savings without sacrificing durability.
- Polyester: While typically heavier than nylon, high-denier polyester fabrics can offer good durability and UV resistance. They are often less expensive and can provide a suitable balance between weight and sturdiness for budget-conscious backpackers.
- Silnylon: A combination of silicone and nylon, silnylon is lightweight and highly water-resistant. It is often used in ultralight backpacking gear but may require some care to avoid punctures and tears.
- X-Pac: This fabric features a multi-layer construction including nylon, polyester, and a waterproof layer, making it both lightweight and highly durable. X-Pac backpacks are popular for their weather resistance and ability to withstand abrasion, making them a favorite among serious trekkers.
- Air Mesh: Used primarily in the straps and back panels, air mesh provides breathability and comfort while keeping the overall weight low. This material enhances ventilation, reducing sweat build-up during long hikes.
How Do You Determine the Right Size for an Ultra Lightweight Backpack?
Determining the right size for an ultra lightweight backpack involves considering several key factors that align with your needs and the type of activities you plan to undertake.
- Volume Capacity: The volume of a backpack is typically measured in liters and indicates how much gear it can hold. For day hikes, a backpack with a capacity of 20-30 liters is usually sufficient, while multi-day trips may require 40-70 liters, depending on how much gear you need to pack.
- Fit and Comfort: The backpack should fit well on your torso, with adjustable straps to ensure it sits comfortably on your hips and shoulders. A proper fit helps distribute weight evenly, reducing strain during long hikes.
- Intended Use: The purpose of your backpack will greatly influence the size. For example, a backpack meant for ultralight backpacking may prioritize minimalism and thus be smaller, while one designed for climbing might need additional features and space for gear.
- Load Weight: Consider how much weight you plan to carry; a lightweight backpack usually weighs less than 3 pounds, but it should still be able to handle your gear without compromising comfort or durability. Make sure the size accommodates your gear without overpacking.
- Access Points and Compartments: Evaluate the accessibility of the backpack’s compartments. A good design will offer multiple access points to your gear, allowing you to pack efficiently while keeping the overall size manageable.
- Adjustable Features: Look for backpacks with adjustable features such as a removable top lid or compression straps, which can help you customize the size based on your load. This adaptability is crucial for optimizing the pack’s size for various trips and gear loads.
Which Ultra Lightweight Backpacks Are Best for Long-Distance Hiking?
The best ultra lightweight backpacks for long-distance hiking combine comfort, durability, and functionality while minimizing weight.
- Osprey Exos 58: This backpack is known for its exceptional ventilation and lightweight design, weighing just 3 pounds.
- Hyperlite Mountain Gear 3400 Southwest: Made from Dyneema fabric, this backpack is incredibly durable and waterproof, weighing around 2 pounds.
- REI Co-op Flash 55: This versatile pack offers a good balance between weight and comfort, weighing approximately 2.5 pounds and featuring a customizable fit.
- Granite Gear Crown 2: With a weight of around 2 pounds, this backpack features a roll-top closure and an adjustable torso length for enhanced comfort during long hikes.
- Sierra Designs Flex Capacitor: This innovative design allows for adjustable volume, making it suitable for both short trips and extended hikes, and weighs about 3 pounds.
The Osprey Exos 58 is popular among long-distance hikers for its AirSpeed suspension system that ensures excellent airflow, keeping you cool on warmer trails. It also includes a variety of pockets and attachment points for gear, enhancing its functionality for extended trips.
The Hyperlite Mountain Gear 3400 Southwest is a favorite for those prioritizing weight savings without sacrificing durability. Its Dyneema fabric withstands harsh conditions while its simple design allows for easy access and organization of gear, making it ideal for minimalist hikers.
The REI Co-op Flash 55 is designed for comfort with its adjustable harness and hip belt, allowing for a personalized fit. It features a large main compartment and external pockets for organization, making it practical for multi-day adventures.
The Granite Gear Crown 2 stands out with its lightweight yet robust build, featuring a removable top lid that can be used as a daypack. Its roll-top closure enhances weather resistance and allows for flexible packing, making it suitable for varied hiking conditions.
The Sierra Designs Flex Capacitor offers a unique adjustable capacity feature that allows users to compress or expand the pack based on their load. Its ergonomic design and comfortable straps make it a great option for long distances, supporting ample gear storage without added bulk.
What Do Reviews Say About Popular Ultra Lightweight Backpacks?
Reviews of popular ultra lightweight backpacks highlight their features, comfort, and suitability for various activities.
- Osprey Exos 48: This backpack is praised for its balance of weight and comfort, featuring a ventilated back panel that enhances airflow during long hikes. Reviewers appreciate its durable construction and multiple pockets, which offer convenient storage for gear.
- Hyperlite Mountain Gear 3400 Southwest: Known for its minimalist design, this backpack is favored for being exceptionally lightweight yet highly durable due to the Dyneema fabric. Users often mention its waterproof nature and the ability to carry heavy loads comfortably, making it ideal for long-distance trekking.
- Sea to Summit Ultra-Sil Day Pack: This is a packable option that stands out for its ultra-lightweight design and compactness, making it a favorite among travelers. Reviews highlight its versatility as a daypack for short hikes or a backup bag while traveling, though some users note that it is best for light loads.
- Gregory Paragon 58: This backpack receives high marks for its adjustable torso length and ergonomic fit, which helps reduce fatigue on long trips. Reviewers commend the ample organizational pockets and hydration reservoir compatibility, appealing to serious backpackers.
- REI Co-op Flash 22: Users appreciate this backpack for its affordability and functional design, which includes a large main compartment and multiple external pockets. Its lightweight fabric and simple design make it a great option for day hikes and everyday carry.
- Deuter Futura Vario: This model is notable for its innovative Aircomfort Sensic Vario back system, which promotes excellent ventilation. Reviewers often mention its comfort and stability, especially when loaded, making it suitable for both short outings and multi-day adventures.