Gregory
Gregory Zulu 55 Backpack
Best ventilated pack for comfortable multi-day backpacking trips.
The Gregory Zulu 55 Backpack is engineered for exceptional overnight trips, blending lightweight construction with premium comfort features. It utilizes the dynamic FreeFloat suspension system and an AeroSpan ventilated backpanel to ensure superior airflow and moisture-wicking performance on the trail. This pack offers a highly adjustable fit, conforming to your body with the 3D hipbelt and adjustable torso length. With ample storage, including a dedicated sleeping bag compartment and numerous external pockets, the Zulu 55 provides stable support for loads up to 50 lbs, making exploration into the unknown comfortable and efficient.
$279.95
Owner Satisfaction
4.6
/ 5
Category Rank
333
/ 1461
#333 in Camping & Hiking
Price vs Category Average
+55%
Above average
Suspension Technology
FREEFLOAT
/ FREEFLOAT
Who it's for
- Trail users needing snacks and water within reach
- Hikers trekking in hot or humid climates
- Backpackers who prioritize quick access to gear
Who should skip it
- Ultralight enthusiasts counting every single ounce
- Travelers packing bulky or rigid rectangular items
- Off-trail explorers navigating through abrasive terrain
Performance breakdown
Suspension Comfort
The FreeFloat system moves naturally with your body during technical hikes.
Ventilation Efficiency
AeroSpan backpanel keeps your back dry even during high-exertion climbs.
Load Management
Perimeter wire frame handles 50-pound loads with impressive stability and balance.
Fit Customization
Adjustable torso length ensures a tailored fit for diverse body types.
Access Convenience
The U-Zip opening makes grabbing gear from the bottom effortless.
Storage Accessibility
Oversized hipbelt pockets provide quick access to snacks and navigation tools.
Key Specs
Suspension Technology
FREEFLOAT
Frame Type
Perimeter wire
Compartment Access
Top / U-Zip / Bottom
Closure Type
Drawcord / Zipper
Max Carry Weight
50 lbs / 22.7 kg
Torso Adjustment Range
3.5 inches of adjustment
Hydration Compatible
Yes (SpeedClip hanger system)
Know before you buy
The FreeFloat system allows the hipbelt to pivot and flex independently as you move. This creates a more natural, dynamic feel that helps the pack stay balanced on uneven terrain rather than fighting against your body's motion.
Yes, the pack features an adjustable torso length with a 3.5-inch range. This allows you to slide the harness up or down to ensure the weight is properly distributed across your hips and shoulders.
Absolutely. In addition to the traditional top-loading access, the Zulu 55 features a large U-Zip opening on the front. This allows you to open the main compartment like a suitcase to reach items at the bottom without unpacking everything.
The pack is rated for a maximum carry weight of 50 lbs. While it is built for lightweight overnight trips, the perimeter wire frame provides enough structure to keep that load stable and supported.
The AeroSpan backpanel uses a tensioned mesh design that creates a physical gap between your back and the pack body. This allows for significant airflow, which is much more effective at reducing sweat buildup than standard foam backpanels.
Yes, the Zulu 55 is hydration-ready and includes the SpeedClip hanger system. This allows you to securely attach most standard hydration bladders inside the pack for easy access to water while on the trail.
Still have a question?
Ask Hayley anything about this product before you decide.