Gregory Citro 24 H2O vs NEMO Persist Men's 30L Endless Promise All-Adventure Backpack
Why You Can Trust Us
- Side-by-side analysis based on real user feedback
- Unbiased comparisons, not influenced by partnerships
- Updated as new data becomes available
We may earn from affiliate links at no extra cost to you.
| Gregory Citro 24 H2O | Persist Men's 30L Endless Promise All-Adventure Backpack | |
|---|---|---|
![]() | ![]() VS | |
| Capacity | 1465 cu in | 1891 cu in |
| Weight | 2 lb | 3.19 lb |
| Hip Belt | Hipbelt included | Hipbelt included |
| Hydration Sleeve | Hydration sleeve | Hydration sleeve |
| Bladder Capacity | 100 fl oz | N/A |
| Warranty | Lifetime | Adventure Forever |
| Compression Strap | N/A | Compression straps |
| Mesh Back Panel | Mesh backpanel | Mesh backpanel |
| Sternum Strap | Sternum strap | Sternum strap |
| Rain Cover | Included | N/A |
| Frame Sheet | Framesheet | N/A |
| Side Pockets | Front stretch and dual side mesh pockets | Side pockets |
| Trekking Pole Attachment | Trekking pole/tool attachment point | N/A |
| Gregory Citro 24 H2O | NEMO Persist Men's 30L Endless Promise All-Adventure Backpack |
|---|---|
![]() | ![]() |
| Capacity | |
1465 cu in | 1891 cu in |
| Weight | |
2 lb | 3.19 lb |
| Hip Belt | |
Hipbelt included | Hipbelt included |
| Hydration Sleeve | |
Hydration sleeve | Hydration sleeve |
| Bladder Capacity | |
100 fl oz | N/A |
| Warranty | |
Lifetime | Adventure Forever |
| Compression Strap | |
N/A | Compression straps |
| Mesh Back Panel | |
Mesh backpanel | Mesh backpanel |
| Sternum Strap | |
Sternum strap | Sternum strap |
| Rain Cover | |
Included | N/A |
| Frame Sheet | |
Framesheet | N/A |
| Side Pockets | |
Front stretch and dual side mesh pockets | Side pockets |
| Trekking Pole Attachment | |
Trekking pole/tool attachment point | N/A |
Comfort
Gregory Citro 24 H2O
Persist Men's 30L Endless Promise All-Adventure Backpack
Comfort is paramount for hydration packs, as a poorly fitting pack can cause shoulder fatigue and chafing during long miles. A strong rating here indicates padded straps, a well-fitted design, and a hip belt that distributes weight effectively without wearing out. The Gregory Citro 24 H2O leads significantly in this category, with extensive user feedback praising its padded shoulder straps and fit that prevents fatigue even on extended wear. While the NEMO Persist offers a cushioned hip belt and wide straps, it has far fewer mentions regarding long-term comfort, making the Gregory the safer choice for all-day hikes where shoulder strain is a concern.
Durability
Gregory Citro 24 H2O
Persist Men's 30L Endless Promise All-Adventure Backpack
Durability determines how well a pack withstands abrasion from rocks, branches, and the general wear and tear of the trail. Buyers need to know if the fabric will resist scuffing and ripping over time or if it requires careful handling. The NEMO Persist takes the lead here, constructed with high tear-strength burly zero fabric and durable side pockets that inspire confidence on rough terrain. Conversely, the Gregory Citro 24 H2O holds up well for most users but has reported instances of scuffing and ripping, suggesting it may need more care when navigating brush-heavy environments.
Ventilation
Gregory Citro 24 H2O
Persist Men's 30L Endless Promise All-Adventure Backpack
Effective ventilation is critical for hydration packs to prevent a sweaty back and maintain body temperature during vigorous activity. A superior rating in this area usually means the pack features a mesh panel or external frame that promotes airflow between the pack and the wearer's back. The Gregory Citro 24 H2O is the clear winner, utilizing a tension-suspended mesh back panel and external vents that actively keep the back cool and dry. The NEMO Persist, while featuring a contoured back panel designed to wick moisture, lacks the same level of airflow promotion, making it less ideal for hot weather hikes where overheating is a risk.
Accessibility
Gregory Citro 24 H2O
Persist Men's 30L Endless Promise All-Adventure Backpack
Accessibility refers to how easily a hiker can reach water, snacks, and gear without removing the pack or fumbling with complex closures. Features like magnetic attachments, quick-connect systems, and strategic pocket placement define a high score in this category. Both packs perform well here, resulting in a tie; the Gregory offers magnetic mouthpiece attachments and a front-flip design for easy bladder access, though the magnet can detach too easily during vigorous movement. The NEMO Persist counters with a large U-shaped zippered access and side zippers that provide excellent entry to the main compartment and hip belt pockets, ensuring gear is always within reach.
Stability
Gregory Citro 24 H2O
Persist Men's 30L Endless Promise All-Adventure Backpack
Stability ensures the pack stays balanced and secure against the body during dynamic movements like scrambling or running. A stable pack relies on secure sternum straps, adjustable hip belts, and compression systems to minimize bounce. The Gregory Citro 24 H2O demonstrates superior stability with a secure sternum strap and a fully adjustable hip belt that keeps the load steady even during vigorous movement. The NEMO Persist utilizes a lightweight internal spring steel frame and compression straps to stabilize gear, but with fewer user confirmations of its performance in high-motion scenarios, the Gregory remains the more reliable option for active stability.
Organization
Gregory Citro 24 H2O
Persist Men's 30L Endless Promise All-Adventure Backpack
Organization covers the layout of pockets, dividers, and attachment points that allow hikers to sort gear efficiently. A well-organized pack includes dedicated sleeves for bladders, hip belt pockets for quick snacks, and loops for trekking poles. Both products earn a tie in this category, offering robust storage solutions. The Gregory provides a dedicated bladder sleeve, hip belt pockets, and trekking pole loops for smart storage of trail essentials. Similarly, the NEMO Persist features a large U-shaped main compartment access, a removable lid, and multiple attachment points, ensuring that both packs can handle a variety of gear layouts effectively.
Trust & Transparency
- Data-driven rankings from real user reviews
- Affiliate partnerships don't influence our methodology
We may earn commission from links.
Conclusion & Final Verdict:
The Gregory Citro 24 H2O is the superior choice for hikers who prioritize ventilation, stability, and lightweight comfort on long, active trails. Its tension-suspended mesh back and secure hip belt make it ideal for hot weather and vigorous movement, though buyers should be mindful of the magnetic mouthpiece potentially detaching. Conversely, the NEMO Persist Men's 30L is the better option for those needing extra capacity and rugged durability for multi-day adventures or rougher terrain. While it lacks the same level of airflow and comes in heavier, its burly fabric and larger volume make it a workhorse for carrying more gear. Choose the Gregory for speed and cooling, or the NEMO for capacity and resilience.
Related Comparisons
CamelBak Arete 18 Pack 1.5LvsNEMO Persist Men's 30L Endless Promise All-Adventure Backpack
The CamelBak Arete 18 Pack 1.5L edges ahead in organization and accessibility for day trips, while the NEMO Persist Men's 30L offers more comfort and capacity for longer adventures. Both share ventilation as a shared weakness, making your typical hike length and climate the real deciding factors. Choose the Arete for streamlined efficiency; choose the Persist for extended treks with heavier loads."
CamelBak Cloud Walker 18 Hydration Pack 85 ozvsNEMO Persist Men's 30L Endless Promise All-Adventure Backpack
The CamelBak Cloud Walker 18 excels in comfort and ventilation for day hikes, while the NEMO Persist 30L offers superior capacity and rugged durability for all-adventure needs.
Gregory Citro 24 H2OvsArc'teryx Aerios 18 Backpack
The Gregory Citro 24 H2O offers superior stability and capacity for rugged day hikes, while the Arc'teryx Aerios 18 excels in ultra-light comfort and organization for fast-moving trails.
Gregory Citro 24 H2OvsGregory Swift 16 H2O
Compare the Gregory Citro 24 H2O and Swift 16 H2O to find the perfect hydration pack for your hiking style, balancing capacity, ventilation, and stability.
Gregory Citro 24 H2OvsREI Co-op Traverse 35 Pack - Men's
The Gregory Citro 24 H2O offers lightweight comfort and ventilation for day hikes, while the REI Co-op Traverse 35 Pack delivers superior stability, organization, and capacity for longer adventures.
Gregory Citro 24 H2OvsTeton Sports Oasis Hydration Pack
The Gregory Citro 24 H2O excels in comfort and ventilation for long trails, while the Teton Sports Oasis offers superior durability and organization for rugged day hikes.

