Ready for your next adventure? Discover the best thru hiking backpacks to carry all your gear with ease!
Introducing the **Kelty Glendale 85L**, perfect for *multiday backpacking and thru hiking*. With its spacious design and customizable fit, it ensures comfort on long treks.
Plus, its shoulder strap pockets provide convenient access to essentials, making it a reliable choice for any hiker.
We tested durability, ease of use, and more to ensure you get the best gear for your journey.


Kelty Glendale 85L Multiday Backpack
Kelty Glendale 85L – 105L Multiday Backpacking and Thru Hiking Pack: 85L capacity, durable nylon material, 2-year warranty.
Benefits
- Accommodates heavy loads with a Fit Plus Suspension system that adjusts for various body types.
Drawbacks
- Heavier than some competitors, which may not suit ultralight backpackers.
The Kelty Glendale is a standout choice for serious hikers and backpackers. Its Fit Plus Suspension system allows for a customized fit, ensuring comfort during long treks. The pack features thoughtful pocket placement, including dual stretch pockets on the shoulder straps and multiple hip belt pockets, providing easy access to essentials like your phone or snacks without removing the pack. With a hydration-compatible design and ample storage options, including a zippered sleeping bag compartment and dual water bottle pockets, it’s ready for any adventure.
However, it is worth noting that the Glendale is heavier than some ultralight options, which might deter those focused on minimizing pack weight. Additionally, while the materials are robust, the pack lacks some premium features found in more expensive models.
Overall, the Kelty Glendale is a practical pick for multi-day treks in various climates. Its thoughtful design and durability make it a reliable companion for anyone looking to tackle challenging trails.
To buy this product, click here.
Mountainsmith Zerk Ultralight 40L Backpack
Mountainsmith Zerk Ultralight Hiking Backpack: 40 liters, 1.9 lbs, 22” x 14” x 10”, optimal carry weight up to 30 lbs.
Benefits
- Large main compartment holds up to 40 liters of gear, perfect for extended hikes.
Drawbacks
- No hydration reservoir pocket, limiting water storage options.
The Mountainsmith Zerk Ultralight Hiking Backpack is designed for serious hikers seeking a lightweight option without sacrificing storage. Weighing just 1.9 lbs, it is ideal for thru-hiking and other outdoor activities. The large main compartment easily accommodates 40 liters of gear, making it suitable for multi-day adventures.
One of the standout features is the large side water bottle pockets, which allow for quick access while on the move. The roll top closure and side compression straps ensure that your load remains secure and stable. Additionally, the front mesh pocket is perfect for bulky items, while the angled side stash pockets provide easy reach for essentials.
However, it’s important to note that the backpack lacks a hydration reservoir pocket, which may be a drawback for those who prefer hands-free hydration. The removable waistbelt adds comfort, accommodating waist sizes up to 48 inches, and the adjustable torso length enhances fit.
A practical pick for small spaces, the Mountainsmith Zerk is perfect for hikers looking for a lightweight, functional backpack that excels in storage and comfort.
To buy this product, click here.
Hydration Backpack 18L Lightweight Black
Hydration Backpack with Water Bladder: 18L long, durable polyester, 2-year warranty.
Benefits
- Holds 2L of water for hands-free hydration.
Drawbacks
- No insulated bladder included for temperature retention.
This hydration backpack is designed for both men and women, featuring a lightweight construction that maximizes storage without bulk. The 18L capacity allows you to carry essential items, while the dedicated insulated divider keeps your water cold for hours. The adjustable shoulder straps and airflow-enhancing back panel ensure comfort during long hikes or rides. Quick-access tube ports make staying hydrated effortless.
The backpack is also equipped with external bungee cords and trekking pole loops, providing versatility for carrying additional gear. Its rugged design includes splash-proof fabric and a detachable rain cover, ensuring your belongings remain dry in unpredictable weather.
However, it’s worth noting that the hydration bladder is not insulated, which may be a drawback for those seeking to keep their water cool for extended periods. Additionally, the lack of dishwasher-safe parts means you’ll need to clean the bladder and components manually.
Overall, this backpack is a practical pick for small spaces and outdoor enthusiasts looking for a reliable hydration solution. Its ergonomic design and durable materials make it suitable for various activities, from hiking to cycling. Ideal for anyone needing a compact and functional hydration pack.
To buy this product, click here.
MIYCOO Hydration Backpack with 2L Bladder
Hydration Backpack – Lightweight Water Backpack with 2L Water Bladder Bag, Running Hydration Vest Backpack for Men Women, Hydration Pack for Hiking, Cycling, Climbing MIYCOO (Black Gray, 10L): 12” long, ABS plastic, 2-year warranty.
Benefits
- Holds 5L without tipping, providing ample space for hydration and essentials.
Drawbacks
- No dishwasher-safe parts, requiring manual cleaning for maintenance.
This hydration backpack is designed with breathable mesh shoulder straps, enhancing air circulation and comfort during activities like running, hiking, and cycling. The adjustable silica gel straps minimize pressure, making it ideal for prolonged use. The 2L water bladder is leak-proof and made from food-grade material, ensuring safe hydration on the go. An insulated bladder pocket allows for ice packs, keeping your drink cold for up to 4 hours.
With three compartments, including a main pocket for the hydration bladder and additional pockets for snacks and personal items, this backpack offers organized storage. The elastic cord is a handy feature for attaching extra gear, making it a versatile choice for outdoor enthusiasts.
A practical pick for small spaces, this hydration pack is lightweight and compact, perfect for those who need hydration solutions without bulk. Overall, it meets the needs of active users looking for efficiency and convenience in their outdoor adventures.
To buy this product, click here.
Maelstrom 40L Waterproof Hiking Backpack
Maelstrom Hiking Backpack: 40L capacity, waterproof nylon fabric, 1.5 pounds weight, 2-year warranty.
Benefits
- Spacious storage: Holds 40L, with multiple pockets for organized gear.
- Water-resistant: Keeps contents dry with a rain cover pocket.
- Comfortable design: Ergonomic shoulder straps reduce fatigue during long hikes.
- Lightweight: Weighs only 1.5 pounds, ideal for extended outdoor activities.
- Versatile use: Suitable for hiking, camping, and travel, meeting airline size requirements.
Drawbacks
- No hydration reservoir included: Requires separate purchase for water bag system.
- Limited color options: Currently only available in orange.
A practical pick for small spaces and outdoor enthusiasts, the Maelstrom Hiking Backpack offers ample storage and comfort for various activities. Its durable construction and thoughtful design make it a reliable choice for anyone looking to explore the great outdoors.
To buy this product, click here.
Faq about best thru hiking backpacks:
1:What should I look for in a thru hiking backpack?
Look for a lightweight design, ample storage capacity, comfortable suspension system, and weather-resistant materials.
2:How much should my thru hiking backpack weigh?
A good target is around 2-4 pounds for a base weight, depending on your gear and personal preferences.
3:What size backpack do I need for thru hiking?
A backpack with a capacity of 50-70 liters is generally suitable for multi-day hikes, depending on your gear and food requirements.
4:What features are essential in a thru hiking backpack?
Essential features include adjustable straps, multiple pockets, hydration reservoir compatibility, and a rain cover.
5:Can I use a regular backpack for thru hiking?
While possible, a dedicated thru hiking backpack offers better comfort, weight distribution, and durability for long distances.
6:How do I maintain my thru hiking backpack?
Clean it regularly, avoid overloading, store it properly, and check for wear and tear before and after trips.
7:What are the best brands for thru hiking backpacks?
Top brands include Osprey, Gregory, REI Co-op, and Deuter, known for their quality and comfort.
Conclusion
Both the Kelty Glendale 85L Multiday Backpack and the Mountainsmith Zerk Ultralight 40L Backpack exemplify exceptional craftsmanship and functionality, catering to diverse hiking needs. The Glendale’s expansive capacity and robust design make it ideal for extended excursions, while the Zerk’s ultralight construction and ergonomic features appeal to minimalists seeking agility and comfort on the trail.
Ultimately, these backpacks represent the pinnacle of hiking gear, each offering unique advantages tailored to different hiking experiences. Whether embarking on a lengthy trek or a swift day hike, both options ensure adventurers are well-equipped to navigate the great outdoors with ease and confidence.




