ULA Equipment ULA Circuit Backpack vs Gregory Maven 48

Editorial Team
Last modified at July 22, 2026
Choosing the right backpacking backpack can significantly enhance your outdoor experience. The ULA Circuit Backpack and the Gregory Maven 48 are both excellent choices, each with unique strengths. The ULA Circuit Backpack is known for its superior load transfer and larger capacity, making it ideal for extended trips. On the other hand, the Gregory Maven 48 stands out with its exceptional comfort and organization, perfect for those who prioritize ease of use and ventilation.

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ULA Equipment ULA Circuit BackpackGregory Maven 48
ULA Circuit Backpack
Maven 48
Capacity

68 L total: 39.3 L main body; 6.6 L front; 6.6 L each side; 8.2 L collar; 1.5 L each hipbelt pocket

XS/S: 44 L; S/M: 48 L

Weight

2 lb 6.5 oz (38.5 oz)

XS/S: 3 lb 1.9 oz; S/M: 3 lb 3.2 oz

Torso Adjustability

SMALL: 15–18 in
MEDIUM: 18–21 in
LARGE: 21–24 in
X-LARGE: 24+ in

XS/S: 14–17 in; S/M: 15–19 in

Hip Belt Size Range

X-SMALL: 26–30 in
SMALL: 30–34 in
MEDIUM: 34–38 in
LARGE: 38–42 in
X-LARGE: 42–47 in
XX-LARGE: 47+ in

XS/S: 24–46 in; S/M: 25–48 in

Hydration Compatibility

Yes; hydration port, optional sleeve

Yes

Warranty

Lifetime (original owner, defects in materials and workmanship)

Limited Lifetime

Trekking Pole Attachment

Yes (Ice Axe/Trekking Pole Loops)

Yes

Rain Cover Compatibility

Compatible; sold separately

Compatible; not included

Side Pockets

Yes (each accommodates two 1-Liter bottles)

Yes

Hip Pockets

Yes (Dual Hipbelt Pockets)

Yes

Sternum Strap

Yes (Removable & Height Adjustable)

Yes

Load Lifters

Yes (adjustable)

Yes

Sleeping Bag Compartment

No separate compartment; roll-top main body

Yes

Comfort

ULA Circuit Backpack

4.2/ 5.0

Maven 48

4.8/ 5.0

Comfort is crucial for backpacking backpacks as it directly impacts your endurance and enjoyment on long trails. A more comfortable backpack reduces strain and potential discomfort, allowing you to focus on the journey rather than the load. The Gregory Maven 48 excels in this category with its super comfortable back panel and free float suspension system, which significantly reduce hot spots and blisters. Buyers consistently praise its all-day comfort and breathable back systems. The ULA Circuit Backpack, while comfortable with its fully padded back panel and shoulder straps, falls short due to complaints about back sweating and mesh issues. Therefore, if comfort is your top priority, the Gregory Maven 48 is the clear winner.

Fit

ULA Circuit Backpack

4.7/ 5.0

Maven 48

4.7/ 5.0

A good fit ensures that the backpack sits well on your body, distributing weight evenly and reducing strain. Both the ULA Circuit Backpack and the Gregory Maven 48 offer excellent fit options, but they cater to slightly different needs. The ULA Circuit Backpack provides adjustable shoulder straps and a height-adjustable hip belt, making it versatile for various body shapes. The Gregory Maven 48, however, offers a more tailored fit with its adjustable torso length and 3D cradle style hip belt, which many users find more precise. Given the high ratings and positive feedback for both, this category is a tie.

Load Transfer

ULA Circuit Backpack

4.7/ 5.0

Maven 48

4.4/ 5.0

Effective load transfer is essential for reducing fatigue and making long hikes more manageable. The ULA Circuit Backpack shines in this category with its four-point contact hip belt system and load lifters, which spread the weight effectively and reduce shoulder strain. Buyers appreciate its ability to carry heavy loads comfortably. The Gregory Maven 48 also performs well with its free float suspension system and hip articulation, but it doesn't quite match the ULA Circuit Backpack's efficiency in weight distribution. For those planning to carry heavier loads, the ULA Circuit Backpack is the better choice.

Ventilation

ULA Circuit Backpack

2.8/ 5.0

Maven 48

4.1/ 5.0

Proper ventilation helps keep you cool and dry, which is especially important during strenuous hikes in warm weather. The Gregory Maven 48 leads in this category with its air cushion mesh back panel and breathable back systems, which provide better airflow and reduce sweating. The ULA Circuit Backpack, however, has notable issues with back sweating and ventilation, making it less ideal for hot conditions. If staying cool is a priority, the Gregory Maven 48 is the clear winner.

Organization

ULA Circuit Backpack

4.7/ 5.0

Maven 48

4.9/ 5.0

Good organization in a backpack allows for easy access to gear and efficient packing, which can save time and reduce frustration on the trail. The Gregory Maven 48 excels with its numerous pockets, including on-the-go pockets and stretch mesh pockets, making it easy to keep gear organized and accessible. The ULA Circuit Backpack also offers excellent organization with removable straps and multiple pockets, but it doesn't quite match the Maven 48's level of compartmentalization. For those who value organization highly, the Gregory Maven 48 is the better option.

Accessibility

ULA Circuit Backpack

4.2/ 5.0

Maven 48

4.3/ 5.0

Easy access to your gear can make a significant difference in convenience and efficiency during your hike. Both backpacks offer good accessibility features, but they cater to slightly different preferences. The ULA Circuit Backpack provides side pouches and hip belt pockets, which are praised for their convenience. The Gregory Maven 48 offers on-the-go pockets and stretch mesh pockets, which are also highly accessible. Given the similar ratings and positive feedback for both, this category is a tie.

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Conclusion & Final Verdict:

In conclusion, the ULA Circuit Backpack and the Gregory Maven 48 each have their strengths. The ULA Circuit Backpack is ideal for those needing a larger capacity and better load transfer, making it suitable for extended trips with heavier loads. On the other hand, the Gregory Maven 48 excels in comfort, ventilation, and organization, making it perfect for those who prioritize ease of use and staying cool. Choose the ULA Circuit Backpack for its superior load transfer and capacity, or opt for the Gregory Maven 48 for its exceptional comfort and organization.

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