REI Co-op Trail 25 Pack vs Gregory Citro 24 H2O Daypack

Editorial Team
Last modified at May 28, 2026
Choosing the right daypack often comes down to prioritizing specific trail needs, whether that is keeping gear meticulously organized or staying cool during intense summer climbs. The REI Co-op Trail 25 Pack stands out as a rugged, feature-rich option for hikers who value storage capacity and long-term durability, offering a stable carry that keeps gear secure. In contrast, the Gregory Citro 24 H2O Daypack is engineered for breathability, utilizing a trampoline-style back panel to prevent sweat buildup on long, hot days. While both packs offer solid adjustability and reliable stability, their design philosophies diverge significantly in how they handle airflow and material resilience.

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REI Co-op Trail 25 PackGregory Citro 24 H2O Daypack
REI Co-op Trail 25 PackGregory Citro 24 H2O Daypack
Capacity

1,526 cu in

1,465 cu in

Weight

29 oz

32.3 oz

Material

Ripstop nylon, recycled polyester

Frame: Alloy steel; external: 100% nylon; pack body: 210D Honeycomb CryptoRip nylon / 420D high-density nylon; bottom: 420D high-density nylon; lining: 40% post-consumer recycled 135D polyester

Hip Belt

Padded, adjustable

3D cradle padded hipbelt with large zippered pockets

Back Panel Type

Internal HDPE framesheet with padded back panel

VaporSpan ventilated suspension with moisture-wicking mesh and perimeter alloy frame

Warranty

1 Year

Limited Lifetime

Sternum Strap

Adjustable sternum strap

Magnetic sternum buckle with hose clip

Comfort

REI Co-op Trail 25 Pack

4.2/ 5.0

Gregory Citro 24 H2O Daypack

4.4/ 5.0

Comfort on the trail is determined by how well a pack distributes weight and minimizes pressure points during extended wear. For buyers, a higher comfort rating means less fatigue and fewer adjustments needed while moving over uneven terrain. The Gregory Citro 24 H2O Daypack edges out the competition with a 4.4/5 rating, thanks to its 3D cradle padded hip belt and padded shoulder straps that users consistently praise for extended wear. The REI Co-op Trail 25 Pack scores a solid 4.2/5, with buyers noting it fits nicely and doesn't jostle around, though some mention minimal padding and a back panel that isn't supremely breathable. Ultimately, the Gregory offers a slight advantage for those prioritizing plush cushioning and ergonomic support.

Durability

REI Co-op Trail 25 Pack

4.4/ 5.0

Gregory Citro 24 H2O Daypack

3.3/ 5.0

Durability is critical for daypacks that face abrasion from rocks, branches, and frequent use over years. A pack with high durability ratings assures buyers that the materials will resist tearing and wear, protecting their gear investment. The REI Co-op Trail 25 Pack is the clear winner here with a 4.4/5 rating, as users describe it as a fairly durable pack made of durable fabric that is going to last a long time. Conversely, the Gregory Citro 24 H2O Daypack receives a lower 3.3/5, with specific complaints about mesh fingers coming out and straps showing signs of wear or ripping away over time. While the Gregory has a lightweight alloy frame, the REI's construction appears more robust for rough conditions.

Ventilation

REI Co-op Trail 25 Pack

3.6/ 5.0

Gregory Citro 24 H2O Daypack

4.6/ 5.0

Ventilation is essential for preventing a sweaty back during high-output activities or in hot weather. Buyers looking for a cool carry need a pack that allows airflow to circulate rather than trapping heat against the skin. The Gregory Citro 24 H2O Daypack dominates this category with a 4.6/5 rating, featuring a breathable trampoline-style back panel and moisture-wicking mesh that users say prevents a sweaty back. The REI Co-op Trail 25 Pack trails significantly with a 3.6/5, where feedback highlights that the back panel isn't supremely breathable and doesn't allow as much air flow through, leading to potential back sweat. For hot weather hikers, the Gregory's ventilation system is a decisive advantage.

Organization

REI Co-op Trail 25 Pack

4.9/ 5.0

Gregory Citro 24 H2O Daypack

4.3/ 5.0

Effective organization allows hikers to access essentials like water, snacks, and navigation tools without stopping to unpack the main compartment. A highly organized pack reduces frustration and keeps the load balanced by distributing items across various pockets. The REI Co-op Trail 25 Pack is a standout with a near-perfect 4.9/5 rating, praised for having a lot of bells and whistles, including two enormous side pockets and multiple interior compartments. The Gregory Citro 24 H2O Daypack also performs well with a 4.3/5, offering tons of pockets, hip belt storage, and a key leash, but it lacks the sheer volume of specialized storage options found on the REI. If maximizing storage versatility is the priority, the REI offers a more comprehensive solution.

Stability

REI Co-op Trail 25 Pack

4.4/ 5.0

Gregory Citro 24 H2O Daypack

3.9/ 5.0

Stability ensures the pack stays close to the body and doesn't shift or bounce while hiking over technical terrain. A stable pack improves balance and reduces the energy required to correct the load's movement. The REI Co-op Trail 25 Pack leads with a 4.4/5 rating, with users noting it stayed put with the sternum strap and hip belt and didn't jostle around too much. The Gregory Citro 24 H2O Daypack follows with a 3.9/5, utilizing a perimeter alloy frame and sternum strap to keep the pack secure, though it has fewer mentions of stability compared to the REI. Both packs offer reliable support, but the REI's rigidity and stay system provide a slightly more secure feel.

Adjustability

REI Co-op Trail 25 Pack

4.1/ 5.0

Gregory Citro 24 H2O Daypack

4.2/ 5.0

Adjustability allows a pack to be customized to fit different torso lengths and body types, ensuring a proper fit for comfort and load transfer. Buyers need straps that can be easily tightened or loosened to accommodate layers or changing body positions. Both packs score similarly in this area, with the Gregory at 4.2/5 and the REI at 4.1/5, resulting in a tie. The Gregory features a fully adjustable hip belt and easily adjustable straps, while the REI offers an adjustable slider sternum strap and removable hip belt. Since both systems allow for significant customization to fit a variety of body types, neither holds a distinct advantage over the other.

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Conclusion & Final Verdict:

The REI Co-op Trail 25 Pack is the superior choice for hikers who prioritize organization, durability, and stability. Its extensive pocket system and rugged construction make it ideal for those who need to carry a lot of gear securely over rough terrain. However, if your primary concern is staying cool during hot weather or long summer hikes, the Gregory Citro 24 H2O Daypack is the better option. Its exceptional ventilation system and comfortable 3D cradle hip belt outweigh its lower durability rating for most warm-weather users. Additionally, the Gregory's Limited Lifetime warranty provides long-term peace of mind that the REI's 1-year coverage does not.

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