Zpacks Arc Haul Ultralight Backpack vs Osprey Exos Pro 55 Backpack
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| Zpacks Arc Haul Ultralight Backpack | Osprey Exos Pro 55 Backpack | |
|---|---|---|
![]() | ![]() VS | |
| Weight | 21.4 oz | 33.2 oz |
| Capacity | 60 L | 55 L (S/M); 58 L (L/XL) |
| Fabric Type | Ultra 100X | NanoFly 100D nylon with 200D UHMWPE ripstop |
| Hip Belt | Yes — padded, removable, and interchangeable | Yes — ExoForm EVA-foam padded hip belt with dynamic stretch |
| Seam Sealing | Yes — taped seams | Not specified by manufacturer |
| Warranty | 2 Years | Lifetime |
| Fabric Denier | 100D | 100D nylon with 200D UHMWPE ripstop reinforcement |
| Hip Belt Size | S: 25–30 in; M: 30–35 in; L: 35–40 in; XL: 40–55 in | S/M: 26–45 in; L/XL: 28–50 in |
| Side Compression Straps | Yes — side compression cords | Yes — lower side and upper compression straps |
| Roll Top Closure | Yes | No — removable top lid with FlapJacket |
| Zpacks Arc Haul Ultralight Backpack | Osprey Exos Pro 55 Backpack |
|---|---|
![]() | ![]() |
| Weight | |
21.4 oz | 33.2 oz |
| Capacity | |
60 L | 55 L (S/M); 58 L (L/XL) |
| Fabric Type | |
Ultra 100X | NanoFly 100D nylon with 200D UHMWPE ripstop |
| Hip Belt | |
Yes — padded, removable, and interchangeable | Yes — ExoForm EVA-foam padded hip belt with dynamic stretch |
| Seam Sealing | |
Yes — taped seams | Not specified by manufacturer |
| Warranty | |
2 Years | Lifetime |
| Fabric Denier | |
100D | 100D nylon with 200D UHMWPE ripstop reinforcement |
| Hip Belt Size | |
S: 25–30 in; M: 30–35 in; L: 35–40 in; XL: 40–55 in | S/M: 26–45 in; L/XL: 28–50 in |
| Side Compression Straps | |
Yes — side compression cords | Yes — lower side and upper compression straps |
| Roll Top Closure | |
Yes | No — removable top lid with FlapJacket |
Durability
Zpacks Arc Haul Ultralight Backpack
Osprey Exos Pro 55 Backpack
Durability is crucial for ultralight backpacks as it ensures the pack can withstand the rigors of long-distance hiking and rough terrain. A more durable backpack means fewer worries about wear and tear, allowing hikers to focus on their journey. The Zpacks Arc Haul Ultralight Backpack excels in this category with its Ultra 100 fabric, which is praised for its abrasion and tear resistance. Users have noted the robust construction, quality stitching, and strong materials like ultra-high molecular weight polyethylene face fabric. While the Osprey Exos Pro 55 also offers solid durability with its 100 denier ripstop nylon and higher denier fabric, some users have reported wear on the bottom over time. This makes the Zpacks Arc Haul a better choice for those prioritizing long-term durability.
Comfort
Zpacks Arc Haul Ultralight Backpack
Osprey Exos Pro 55 Backpack
Comfort is essential for any backpack, especially for long-distance hiking where the pack will be worn for extended periods. A comfortable backpack can significantly enhance the hiking experience by reducing fatigue and discomfort. The Osprey Exos Pro 55 Backpack shines in this category with its trampoline-style back and padded, ventilated harness, which distribute weight effectively for all-day comfort. Users have praised its ability to comfortably carry up to 30 lbs of gear, thanks to features like the suspended mesh trampoline back and padded shoulder straps. While the Zpacks Arc Haul also offers a comfortable experience with its mesh back panel and shoulder straps, it falls slightly short compared to the Osprey Exos Pro 55. Therefore, the Osprey Exos Pro 55 is the better choice for those seeking maximum comfort.
Fit
Zpacks Arc Haul Ultralight Backpack
Osprey Exos Pro 55 Backpack
A good fit is vital for ensuring stability and balance, which are crucial for long-distance hiking. A well-fitting backpack can prevent discomfort and potential injuries, allowing hikers to maintain their pace and enjoy their journey. Both the Zpacks Arc Haul and the Osprey Exos Pro 55 excel in this category, with adjustable torso lengths and customizable features. The Zpacks Arc Haul offers a patented adjustment system and interchangeable belts, while the Osprey Exos Pro 55 features a toggle ladder system and adjustable torso length. Both backpacks have received high praise for their fit, making this category a tie.
Accessibility
Zpacks Arc Haul Ultralight Backpack
Osprey Exos Pro 55 Backpack
Accessibility is important for quickly and easily accessing gear while on the trail. A backpack with good accessibility can save time and effort, allowing hikers to stay focused on their journey. The Zpacks Arc Haul Ultralight Backpack stands out in this category with its side pockets, water bottle pocket, and easy access features. Users have praised its large stretchy mesh center pocket and daisy chains for bear spray attachment. In contrast, the Osprey Exos Pro 55 has received criticism for its limited accessibility, with users noting difficulties with hip belt pockets and side entry pockets. This makes the Zpacks Arc Haul the better choice for those prioritizing easy access to their gear.
Ventilation
Zpacks Arc Haul Ultralight Backpack
Osprey Exos Pro 55 Backpack
Ventilation is crucial for keeping hikers cool and dry, especially during intense hikes in warm weather. A well-ventilated backpack can significantly enhance comfort and reduce fatigue. The Osprey Exos Pro 55 Backpack excels in this category with its suspended mesh trampoline back and thick mesh panels, which deliver excellent airflow. Users have praised its ability to keep them cool and dry, thanks to features like the AirSpeed back system and fully aerated design. While the Zpacks Arc Haul also offers good ventilation with its mesh back panel and trampoline-style back, it falls slightly short compared to the Osprey Exos Pro 55. Therefore, the Osprey Exos Pro 55 is the better choice for those seeking superior ventilation.
Water Resistance
Zpacks Arc Haul Ultralight Backpack
Osprey Exos Pro 55 Backpack
Water resistance is important for keeping gear dry in wet conditions, ensuring that essential items remain usable and safe. A water-resistant backpack can provide peace of mind, allowing hikers to focus on their journey regardless of the weather. The Zpacks Arc Haul Ultralight Backpack excels in this category with its waterproof fabric, taped seams, and waterproof sealed zippers. Users have praised its ability to prevent water from seeping in, even in bathtub tests. While the Osprey Exos Pro 55 also offers water resistance with its DWR coating and water-resistant fabrics, some users have noted that the hip belt pockets can fill with water. This makes the Zpacks Arc Haul the better choice for those prioritizing water resistance.
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Conclusion & Final Verdict:
In conclusion, the Zpacks Arc Haul Ultralight Backpack and the Osprey Exos Pro 55 Backpack each excel in different areas, making them suitable for different types of hikers. If you prioritize durability, water resistance, and accessibility, the Zpacks Arc Haul is the better choice. Its exceptional fabric, taped seams, and easy access features make it ideal for rugged, wet conditions. On the other hand, if you value ventilation, comfort, and a lifetime warranty, the Osprey Exos Pro 55 is the way to go. Its superior airflow and padded, ventilated harness ensure a comfortable hiking experience.
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