#2 on this list
Skarab 30
Osprey
The Osprey Skarab 30 is built for hikers who need substantial cargo capacity without the complexity or weight of a full backpacking rig. Providing a generous 30 liters of volume alongside an included hydration reservoir, this pack targets full-day backcountry treks, cool-weather outings requiring extra insulation, or parents carrying supplies for a group. Switchback Travel highlights it as a top-tier hiking hydration pack because it delivers cavernous storage while keeping base weight around two pounds. The suspension relies on a die-cut foam backpanel paired with an open spacer mesh lining, providing dependable close-to-body stability without feeling excessively hot. Testers appreciate the classic wide-mouth bucket-style top opening, which allows you to dump in bulky gear like hardshells, lunch containers, and fleece jackets without wrestling tight zippers. Dual zippered hipbelt pockets provide convenient storage for sunscreen, snacks, and small electronics. Because the Skarab 30 prioritizes high volume and clean simplicity, it lacks some of the hyper-specialized organizational dividers found on Osprey's cycling-specific bags. The wide frame can also feel unnecessarily bulky if you only pack a light windbreaker and a sandwich. For long days on foot with variable mountain weather, however, its capacity-to-weight ratio is hard to beat. **Highlights** - Substantial 30-liter capacity accommodates four-season day-hiking gear - Includes Osprey Hydraulics reservoir with dedicated external access - Bucket-style top-loading main compartment allows quick, simple packing - Dual zippered hipbelt pockets keep trail snacks and phones accessible - Weighs approximately 2 pounds, remaining light for a full-volume pack **Watch-outs** - Lacks complex internal dividers, functioning mostly as a single large bucket - Feels excessive in size and bulk for quick outings or short trail rides
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#3 on this list
Citro 24 H2O / Juno 24 H2O
Gregory
The Gregory Citro 24 H2O (and women's-specific Juno 24 H2O) represents one of the most complete, user-friendly hydration daypacks on the market. CleverHiker recognized it as their top overall hydration pick, largely driven by Gregory's superior 3D Hydro reservoir design. Unlike flat bladders that are difficult to clean and slow to dry, Gregory's reservoir is molded with a co-molded internal spine and an integrated hanger, allowing it to dry out quickly like a water bottle. On the trail, the Citro and Juno deliver high comfort through Gregory's VaporSpan ventilated suspension. An open-air mesh backpanel promotes airflow across your back, while a perimeter alloy frame transfers cargo weight directly into a supportive hipbelt. Reviewers frequently praise the overall balance of this chassis, noting that it carries full 3-liter water loads and a day's worth of gear without sagging or pulling backward at the shoulders. At roughly two pounds empty, it is not an ultralight pack, but the durable materials and thoughtful organization justify the weight. The pack includes large stretch-mesh side pockets that hold extra standard bottles, an external quick-access pocket, and a dedicated zippered hydration sleeve with a SpeedClip mounting system that secures the reservoir without fiddly hooks. **Highlights** - Included 3D Hydro reservoir dries quickly and features an integrated handle - VaporSpan suspended mesh backpanel keeps air moving freely - SpeedClip reservoir mounting system allows one-handed installation - Gender-specific sizing (Citro for men, Juno for women) optimizes fit - Deep stretch-mesh side pockets hold additional large water bottles **Watch-outs** - Slightly heavy for minimalist fast-packers - Main storage cavity fills quickly when the 3-liter reservoir is fully topped off
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Specs side by side
| Spec | Skarab 30 | Citro 24 H2O / Juno 24 H2O |
|---|---|---|
| Cargo Volume | 30 liters | — |
| Pack Weight | 2 lb. 0.2 oz. | — |
| Hydration Bladder | Included dedicated reservoir | — |
| Suspension | Die-cut foam backpanel with spacer mesh | — |
| Main Access | Wide bucket-style zip | — |
| Pockets | Dual zippered hipbelt and upper stash | — |
| Typical Price | Approximately $160 | — |
| Pack Capacity | — | 24 liters |
| Reservoir Volume | — | 3.0 liters (included 3D Hydro) |
| Stated Weight | — | 2 lb 0.3 oz (Citro) / 1 lb 14.9 oz (Juno) |
| Suspension Type | — | VaporSpan tensioned mesh with alloy perimeter frame |
| Torso Fit | — | Gender-specific fixed sizing (Citro / Juno) |
| MSRP | — | Approximately $180 |
What our reviewers liked and didn't
Skarab 30
- Generous 30-liter capacity easily handles full-day and foul-weather gear
- Lightweight build around two pounds minimizes unnecessary pack fatigue
- Bucket-style main opening provides effortless access to bulky layers
- Includes a dedicated hydration reservoir directly out of the box
- Functional zippered hipbelt pockets keep essentials immediately accessible
- Single-cavity interior lacks organizational pockets for small items
- Contact foam backpanel ventilates less effectively than trampoline mesh
- Excessively bulky for short trail outings or high-speed aerobic sports
Citro 24 H2O / Juno 24 H2O
- Proprietary 3D Hydro reservoir dries quickly and cleans easier than flat bladders
- VaporSpan suspended mesh frame provides excellent airflow and balanced load support
- SpeedClip reservoir mounting offers swift, secure one-handed bladder installation
- Gender-tailored chassis options provide targeted harness and hipbelt ergonomics
- Non-adjustable torso length requires careful sizing before purchase
- Full 3-liter reservoir noticeably cuts into main compartment packing space
- At roughly two pounds empty, it is heavy for ultra-minimalist or fast-paced outings
Prices change constantly — the figure shown is the last verified catalog price, and the buy buttons always go to the current listing.