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10 Best 18L Backpacks for 2025: Top Picks for Every Adventure
If you’re in search of the best 18L backpack, you have plenty of options to consider on Amazon. Backpack sizes are crucial when choosing the right bag for every occasion—whether it’s for hiking, traveling, or daily commutes. The 18L backpacks strike a perfect balance between compactness and storage capacity, allowing you to carry essentials without overloading. In 2025, various brands have released innovative designs with features aimed at comfort, functionality, and durability.
1. Osprey Daylite Plus Daypack
Best for: Outdoor enthusiasts
The Osprey Daylite Plus Daypack is the quintessential choice for anyone who enjoys hiking or day trips. Its lightweight design, combined with multiple compartments, makes it incredibly versatile. The backpack features a large main compartment with a hydration reservoir sleeve and an additional front pocket for smaller items.
One of the standout features is the mesh back panel that promotes airflow, making it comfortable to wear for extended periods. The adjustable shoulder straps allow for a customized fit, and it can easily be attached to larger Osprey packs for additional storage.
Pros:
- Lightweight and durable material
- Great ventilation
- Hydration reservoir compatible
Cons:
- Limited color options
- May not fit larger laptops
−$4.39
- Versatile, Lightweight Design – Hiking bag? Laptop bag? Travel bag? You choose. Ideal for every day, whether you're hiking, traveling or commuting. Featuring a smart blend of storage, comfort and durable everyday style
- Secure Tech Storage – Padded sleeve protects your devices and fits up to 14-inch laptops while interior organization keeps cords, pens and small essentials tidy
- Comfortable All-Day Carry – This versatile everyday backpack features breathable AirScape technology and a close-to-body backpanel to keep you cool and offer a stable carry.
- Grab-and-Go Access – Dual side water bottle mesh pockets, a front stretch shove-it pocket and a front pocket with organization and key clip provide quick access to items on the move
- Stylish and Built to Last – Express yourself with fun colors, seasonal prints and bluesign APPROVED, 100% recycled polyester for long-lasting performance
2. Patagonia Nano Puff Pack
Best for: Packable convenience
The Patagonia Nano Puff Pack offers a unique twist on traditional backpacks. This pack is designed to be extremely lightweight and packable, making it ideal for travel or casual outings. It packs into its own pocket, allowing for maximum space-saving in your luggage.
With a water-resistant shell and insulated lining, it’s highly functional for various weather conditions. Moreover, the external pockets provide ample organization for your essentials, including electronics and snacks.
Pros:
- Ultra-light and packable
- Water-resistant
- Excellent insulation
Cons:
- Limited storage space when packed
- Not suitable for heavier loads
3. North Face Borealis Backpack
Best for: Daily commutes
The North Face Borealis Backpack is a fantastic pick for students or daily commuters. With its iconic design and various compartments, this bag provides excellent organization for books, laptops, and other personal items.
It features a FlexVent suspension system for ergonomic support, which is perfect for long wear. The reflective details also enhance visibility in low-light conditions, making it safe for nighttime use.
Pros:
- Multiple compartments for organization
- Great fit and comfort
- Reflective accents for safety
Cons:
- Higher price point
- May be bulky for short trips
−$29.70
- CLASSIC BACKPACK: Our classic Borealis features a bungee cord system for storage and compression and has compartments and pockets to help keep your travel essentials organized.
- ERGONOMIC SUPPORT: Certified by the American Chiropractic Association, our FlexVent suspension system features articulated shoulder straps, a rounded back panel, stitch lines, and soft chemise fabric for comfortable, all-day shoulder and back support.
- SMART ORGANIZATION: Two external water bottle pockets double as multi-use pockets. The front compartment has an extra padded tablet sleeve and zip pockets. An external fleece-lined pocket stores small items or electronics.
- COMFORTABLE CARRY: This backpack has a top handle for easy grabbing and a removable waist belt for a custom fit. A sternum strap with a whistle buckle and 360-degree reflective details add extra support and safety.
- TECH SPECS: Dimensions: 12" x 6.5" x 19.5" (30.5 cm x 16.5 cm x 49.5 cm); Laptop Sleeve: 13.75" x 11.25"; Avg Weight: 2lbs 5oz; Volume: 28 Liters; This item is not intended for use by children 12 and under.
4. Columbia PFG Terminal Tackle Backpack
Best for: Fishing enthusiasts
For those who enjoy fishing, the Columbia PFG Terminal Tackle Backpack is a highly specialized choice. This backpack is designed with multiple rod holders, tackle storage, and even a cooler pocket for your catch.
The water-resistant material protects your gear from the elements, and the padded shoulder straps make it comfortable to carry. Dual side pockets can hold beverages, and there is a dedicated space for your tackle boxes.
Pros:
- Specialized for fishing
- Durable and water-resistant
- Ample storage for gear
Cons:
- Not versatile for other uses
- Can be heavy when fully loaded
- ALL-PURPOSE BACKPACK: Carry gear comfortably in this 22-liter Performance Fishing Gear pack, featuring the must-have rod holder.
- BUILT-IN LAPTOP SLEEVE: Designed for today’s always connected individual, this pack comes with a fully padded and fleece-lined internal sleeve for laptops up to 15”.
- ORGANIZED STORAGE: Features an external bungee for storing wet and dirty gear, two water bottle pockets, and an internal zippered pocket for stashing valuables.
- HANDY FEATURES: This versatile pack includes a fleece-lined sunglasses pocket, contoured padded shoulder straps, and a foam padded back for comfort.
- BUILT TO LAST: Columbia’s attention to detail is what sets our gear apart from others. We use only the highest quality materials, expert craftsmanship, and durable stitching. This is a highly functional backpack that you will enjoy for seasons to come.
5. Dakine Heli Pack 12L
Best for: Skiing and snowboarding
If you’re frequently hitting the slopes, the Dakine Heli Pack 12L is the perfect ski backpack. Specifically designed for snow sports, it has an insulated pocket for hydration and carries snowboard or ski gear securely.
The lightweight build ensures that it won’t weigh you down, while the exterior straps allow for easy attachment of a snow shovel or other gear.
Pros:
- Ideal for winter sports
- Comfortable and lightweight
- Multiple carrying options
Cons:
- Limited capacity for daily use
- Not suitable for non-snow activities
- FUNCTIONAL BACKPACK - Made for the mountain minimalist, the Team Heli Pack 12 Liter takes care of the essentials while you focus on the line ahead. This low-profile pack has everything you need for a lightweight backcountry excursion
- ROOMY AND CONVENIENT - This durable Heli Pack by Dakine is made to store everything you need for a successful trip. This backpack with a capacity of 732 cubic inches (12L) and dimensions 21 x 11 x 4" (53 x 28 x 10cm) is ready for outdoor activities
- ORGANIZED COMPARTMENTS - This spacious Heli Pack has purpose-built snow tool sleeves and external shovel blade carry, a large fleece-lined goggle pocket, an exterior quick-stash pocket, & a hydration sleeve that doubles as laptop storage off the mountain
- DURABLE CONSTRUCTION - This lightweight Dakine backpack is made using 100% Recycled Polyester and features a quick dry mesh padded back panel. It also incorporates a 38mm web belt and rescue whistle on the sternum strap
- EASY TO CARRY - This durable Dakine Heli Pack Backpack screams versatility, providing vertical snowboard carry, diagonal ski carry, and horizontal snowboard carry options. Pack all your valuable gear with convenience and hit the slope
6. REI Co-op Trail 25 Pack
Best for: Day hikes
The REI Co-op Trail 25 Pack is a great choice for day hiking. This backpack’s 25-liter capacity provides ample room for your essentials, including food, water, and gear. The adjustable torso length and padded shoulder straps enhance fit and comfort on the trail.
Key features include multiple pockets, a hydration reservoir compartment, and a weather-resistant material that ensures durability against the elements. The internal organization system helps you keep your gear tidy.
Pros:
- Excellent comfort and fit
- Plenty of organization options
- Weather-resistant
Cons:
- May feel bulky for short hikes
- Lacks some high-end materials found in premium brands
- Dual side compression straps
- Internal reservoir sleeve
- Harness grab handle doubles as a luggage pass-thru
- Harness grab handle doubles as a luggage pass-thru for use when traveling
7. Adidas Fleece Backpack
Best for: Sports and casual outings
The Adidas Fleece Backpack is a stylish and practical option for athletic activities or casual outings. It features a soft fleece material with a spacious main compartment and an easy-access front pocket.
The padded shoulder straps provide additional comfort during wear, and the sleek design makes it a versatile accessory for everyday use.
Pros:
- Soft and comfortable material
- Stylish design
- Ample storage for casual use
Cons:
- Limited padding for heavier loads
- Less durable compared to weather-resistant backpacks
−$10.12
- Multiple zippered pockets give you plenty of storage space in this travel backpack for men and women, making it a great laptop backpack or everyday backpack.
- Wipe-able material for easy spot cleaning with soap and water, suitable for travel backpacks or computer backpack for women and men.
- Lifetime Warranty - built to last. Suitable as backpacks for women and men.
- Interior sleeve securely stores up to a 16 inch laptop, functioning as laptop backpacks or computer backpacks.
- Two mesh side water bottle pockets on this mens or womens backpack that fit up to 32 oz bottles.
8. High Sierra Swerve Backpack
Best for: Versatile lifestyle
The High Sierra Swerve Backpack combines functionality with everyday use, suitable for students or commuters. It features multiple compartments, including a dedicated laptop sleeve, making it perfect for school or work.
Its adjustable compression straps help manage the load, while the side mesh pockets are perfect for water bottles or snacks. The vibrant color choices also make this backpack visually appealing.
Pros:
- Great for school or work
- Good organization options
- Colorful design choices
Cons:
- Not the most durable for outdoor activities
- Average padding for heavier loads
−$11.99
- Large main compartments and multiple pockets allow you to keep all of your gear secure and organized.
- A fully padded Cushion Zone laptop compartment accommodates most 17-inch models. A dedicated Tech Spot sleeve provides an ideal space for your tablet.
- The Suspension System provides relief when carrying heavier loads. It does so by dampening the shock of weight transfer while transporting your gear.
- Moisture wicking Vapel mesh material and deep air channels create maximum airflow between your back and the pack.
- Multiple pockets including a zippered mesh pocket, pen pockets, lidded media pocket and key fob hook are perfect for keeping all of your smaller items secure.
9. Under Armour Scrimmage Backpack
Best for: Gym-goers
The Under Armour Scrimmage Backpack is tailored for gym enthusiasts or athletes. Designed with a tough outer layer, it can endure wear and tear while safeguarding your belongings.
The roomy main compartment allows for easy access to clothes, shoes, and equipment. The padded laptop sleeve adds to its multi-functionality, ideal for work or school use as well.
Pros:
- Durable construction
- Multi-functional design
- Roomy for gym essentials
Cons:
- Heavier than most standard backpacks
- Limited style options
−$10.00
- Two large main compartments with zippered closures for your daily essentials. Lined laptop sleeve with soft padding holds up to a 15 inch notebook computer. Water-repellent front valuables pocket to keep your small gear and electronics safe. UA Storm technology delivers an element-battling, highly water-resistant finish. Backpack in a durable, water-resistant polyester with a top grab handle. 20''x14''x5''
- Item weight: 1.0 pounds
- Strap type: Adjustable
- Water Resistance Level : water_resistant
10. Herschel Little America Backpack
Best for: Trendy style
The Herschel Little America Backpack is not only stylish but also functional. Its minimalist design is spacious enough for daily essentials, with added laptop protection and internal organization pockets.
The padded shoulder straps and drawstring closure provide both security and comfort, making it suitable for school, work, or casual outings.
Pros:
- Fashionable and trendy design
- Ample storage for daily use
- Comfortable fit
Cons:
- Higher price point
- Somewhat heavier than other backpacks
−$12.00
- New EcoSystem 600D Fabric and Tonal stripe EcoSystem Liner made from 100% recycled post-consumer water bottles
- Padded floating sleeve fits a 15""/16"" laptop
- Carry comfortably with adjustable EVA-padded shoulder straps
- Water bottle pocket expands to fit different sizes
- Side storage sleeve for quick-reach items
By exploring these top 10 18L backpacks, you can find the best fit for your lifestyle, whether you need it for sports, outdoor activities, or daily use. The best 18L backpack will suit your personal preferences and requirements, offering a perfect blend of style, functionality, and comfort. Keep in mind the versatility and specific features that each backpack provides, to ensure you make a well-informed decision.
Buying Guide for an 18L Backpack
When it comes to choosing the right 18L backpack, there are several factors to consider to ensure you get a durable, functional, and comfortable pack that meets your needs. Here’s a detailed guide to help you make an informed decision.
1. Purpose
- Daily Use: For commuting, school, or casual outings. Look for features like padded laptop compartments and organizational pockets.
- Outdoor Activities: If you plan to use it for hiking, trekking, or day trips, opt for water-resistant materials and external gear attachment points.
2. Material
- Durability: Look for high-quality materials such as nylon or polyester for longevity.
- Water Resistance: Consider a backpack with a water-resistant coating or an included rain cover if you’ll be exposed to wet conditions.
- Weight: Lightweight materials are essential for comfort, especially during long hikes.
3. Comfort
- Padding: Opt for padded shoulder straps, a breathable back panel, and, if necessary, a hip belt for added support.
- Adjustability: Look for adjustable straps to customize fit and enhance comfort.
- Ventilation: Some backpacks include mesh panels to keep your back cooler, which can be essential for outdoor activities.
4. Organization
- Compartments: Examine the internal layout. Multiple compartments for electronics, books, and personal items can help keep you organized.
- Pockets: External pockets are great for quick access to items like water bottles, snacks, and keys.
- Laptop Sleeve: If you carry electronics, make sure there’s a dedicated padded compartment that fits your device snugly.
5. Style and Design
- Aesthetic: Choose a style and color that matches your personal taste. Many brands offer various designs suitable for different occasions.
- Brand Reputation: Research reputable brands known for quality and customer service.
6. Size and Fit
- Capacity: Ensure the 18L size meets your needs—suitable for carrying a day’s essentials without being overly bulky.
- Fit: Ensure the backpack fits snugly on your back without excessive movement or discomfort when filled.
7. Price
- Budget: Set a price range based on what features are essential to you. While cheap options may be tempting, investing in a higher-quality backpack could save you money in the long run.
- Warranty: Check if the backpack comes with a warranty, as this can indicate value and durability.
8. Reviews and Recommendations
- Customer Feedback: Read online reviews to see what others have experienced with the model you’re considering.
- Expert Reviews: Look for backpack reviews from outdoor magazines or blogs to get in-depth insight into performance and usability.
9. Additional Features
- Water Bottle Holder: A side pocket for hydration is crucial for outdoor activities or day commutes.
- Reflective Elements: If you’re cycling or walking at night, look for packs with reflective strips for visibility.
- Sustainability: Some brands offer eco-friendly materials; if this is important to you, do your research.
Conclusion
When choosing an 18L backpack, it’s essential to consider how you plan to use it. By evaluating materials, comfort features, organization, and style, you can find the perfect backpack that meets your needs and enhances your daily adventures. Don’t forget to read reviews and consider your budget to ensure you make a wise investment. Happy shopping!
