Gregory Citro 24 H2O Daypack vs EXPED Skyline 20 Daypack

Editorial Team
Last modified at May 28, 2026
Choosing the right daypack often comes down to balancing breathability, organization, and how well the pack conforms to your body. The Gregory Citro 24 H2O Daypack and the EXPED Skyline 20 Daypack are two top contenders in the short-to-moderate trail category, each bringing distinct strengths to the table. While the Gregory prioritizes a highly adjustable fit and maximum airflow for hot days, the EXPED focuses on exceptional organization and a lighter, ergonomic carry. Both packs handle essentials well, but they cater to slightly different hiking styles and priorities.

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Gregory Citro 24 H2O DaypackEXPED Skyline 20 Daypack
Gregory Citro 24 H2O Daypack
EXPED Skyline 20 Daypack
Capacity

1,465 cu in

1,220 cu in

Weight

32.3 oz

27.9 oz

Material

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

recycled 450×300 D polyester PU coated 59.1 in water column bluesign® approved fabric

Hip Belt

3D cradle padded hipbelt with large zippered pockets

stowable

Back Panel Type

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

Air Flow

Warranty

Limited Lifetime

5 Years

Sternum Strap

Magnetic sternum buckle with hose clip

Adjustable sternum strap

Comfort

Gregory Citro 24 H2O Daypack

4.4/ 5.0

EXPED Skyline 20 Daypack

4.6/ 5.0

Comfort is paramount for daypacks, as even a few hours on the trail can become miserable if the pack rubs, pinches, or feels unbalanced. Buyers look for padded straps, ergonomic back systems, and hip belts that distribute weight effectively without restricting movement. The EXPED Skyline 20 takes the lead here with a 4.6/5 rating, praised for its versatile adaptability and ergonomic airflow system that ensures a secure, natural range of motion. In contrast, the Gregory Citro 24 H2O scores a strong 4.4/5, offering excellent comfort through its 3D cradle padded hip belt and cushioned shoulder straps, though it has slightly fewer mentions of overall adaptability compared to the EXPED.

Durability

Gregory Citro 24 H2O Daypack

3.3/ 5.0

EXPED Skyline 20 Daypack

3.8/ 5.0

Durability determines whether a pack will survive rough terrain, scuffs, and the wear and tear of frequent use. While both packs are built for the outdoors, user feedback suggests the EXPED Skyline 20 holds up slightly better under scrutiny, earning a 3.8/5 rating thanks to its durable recycled polyester fabric and integrated rain cover. The Gregory Citro 24 H2O, while featuring a lightweight alloy frame, receives a lower 3.3/5 rating due to specific reports of mesh fingers coming out and straps showing signs of ripping over time. For hikers tackling rugged conditions, the EXPED's material construction appears to offer a more reliable long-term solution.

Ventilation

Gregory Citro 24 H2O Daypack

4.6/ 5.0

EXPED Skyline 20 Daypack

4.1/ 5.0

Effective ventilation is critical for preventing a sweaty back during intense physical activity, especially in warm weather. The Gregory Citro 24 H2O dominates this category with a 4.6/5 rating, utilizing a breathable trampoline-style back panel and moisture-wicking mesh that actively prevents sweat buildup. The EXPED Skyline 20 also performs well with a 4.1/5 rating, featuring an ergonomic airflow back system and spring-back mesh that keeps the back cool, but it does not quite match the sheer volume of positive feedback regarding airflow that the Gregory receives. If staying dry is your top priority, the Gregory's specialized suspension system is the clear choice.

Organization

Gregory Citro 24 H2O Daypack

4.3/ 5.0

EXPED Skyline 20 Daypack

4.7/ 5.0

A well-organized pack allows hikers to access snacks, maps, and water without stopping to dig through the main compartment. The EXPED Skyline 20 is the standout winner with a 4.7/5 rating, featuring a side-running zipper, front stretch pockets, and mesh pockets all around the pack for effortless access. The Gregory Citro 24 H2O is also highly capable with a 4.3/5 rating, offering tons of pockets including hip belt storage and a key leash, but it lacks the specific side-access zippers and roll-top features that make the EXPED so versatile. For those who need to grab gear on the fly, the EXPED's layout is slightly more intuitive and comprehensive.

Stability

Gregory Citro 24 H2O Daypack

3.9/ 5.0

EXPED Skyline 20 Daypack

3.9/ 5.0

Stability ensures the pack stays secure and balanced, preventing it from flopping around while you move quickly over uneven ground. Both packs perform equally well in this regard, tying with a 3.9/5 rating. The Gregory achieves this through a perimeter alloy frame and a sternum strap that keeps the load tight, while the EXPED relies on a slim, balanced profile and a stowable hip belt to maintain a secure fit. Neither pack has a distinct advantage here, as both provide the necessary structure to keep gear stable during active hiking.

Adjustability

Gregory Citro 24 H2O Daypack

4.2/ 5.0

EXPED Skyline 20 Daypack

3.9/ 5.0

Adjustability allows a pack to be customized to fit a wide variety of body types and hiking styles, ensuring a personalized and comfortable carry. The Gregory Citro 24 H2O excels with a 4.2/5 rating, featuring a fully adjustable hip belt and easily adjustable straps that can be slid up and down to fit different torsos. The EXPED Skyline 20 scores a 3.9/5, offering adjustable load control straps and stowable hip belts, but it is limited by a fixed back length that may not suit everyone as well as the Gregory's more flexible system. For hikers who need a precise, customizable fit, the Gregory is the superior option.

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Conclusion & Final Verdict:

The EXPED Skyline 20 is the better choice for hikers who prioritize a lightweight, highly organized pack with superior comfort for smaller loads. Its exceptional pocket layout and ergonomic fit make it ideal for day hikes where quick access to gear is essential. However, if you need a larger capacity, a more adjustable fit for different body types, or maximum ventilation on hot days, the Gregory Citro 24 H2O is the superior option. While the Gregory has some durability concerns, its lifetime warranty and robust adjustability make it a reliable workhorse for varied terrain.

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