The Gregory Arrio 24 l is a lightweight and functional hiking backpack designed for those who value comfort, ventilation, and practical solutions. The FreeSpan system, compatibility with the QuickDry 3D Hydro hydration reservoir, and the ability to attach trekking poles make it an ideal companion for day hikes and mountain adventures.
Basic data
Physical parameters
Protection and safety
Hydration system
Product details
Gregory Arrio 24 l hiking backpack black 136974 (136974)
Gregory Arrio 24 l flame black backpack is an ideal choice for outdoor enthusiasts, offering a capacity of 24 litres, which allows for comfortable transport of essential equipment. Made from durable polyamide, the backpack is resistant to mechanical damage, contributing to its longevity. Thanks to the use of DWR technology, the material gains water-repellent properties, further protecting the contents of the backpack from moisture.
FreeSpan System
The Gregory Arrio 24 l flame black backpack is equipped with the innovative FreeSpan carry system, which ensures excellent air circulation on the back, increasing comfort during prolonged use. This system allows the backpack to perfectly fit the user's silhouette, while ergonomic solutions reduce back strain. Additionally, the hip and chest straps stabilise the backpack, which is particularly important during dynamic hikes.
Hydration System Compatibility
The Gregory Arrio 24 l flame black backpack is also compatible with a hydration system, allowing for easy access to water while on the move. This solution is extremely useful during longer trips when maintaining adequate hydration levels is crucial. The rain cover included with the backpack further protects its contents from unexpected rain showers.
Eco-Friendly Approach
It is also worth highlighting the eco-friendly approach of the Gregory brand. The Gregory Arrio 24 l flame black backpack is made from materials free of harmful PFC compounds, minimising its negative impact on the environment. Additionally, the Bluesign® certification attests to a sustainable production process and attention to the natural environment.
Gregory Arrio 24 l Backpack - Features:
- Capacity of 24 litres providing space for essential equipment;
- Made from durable polyamide (nylon) resistant to mechanical damage;
- DWR technology ensuring water-repellent properties of the material;
- Innovative FreeSpan carry system for increased comfort and air circulation;
- Hip and chest straps stabilising the backpack during hikes;
- Hydration system compatibility allowing easy access to water;
- Included rain cover protecting the contents of the backpack from precipitation;
- Eco-friendly materials free of PFC reducing negative environmental impact;
- Bluesign® certification confirming a sustainable production process.
Product Details

Ventilated rear panel FreeSpan
The Gregory Arrio 24 l backpack is equipped with the FreeSpan carry system, which guarantees excellent ventilation and comfort during hikes. The distance panel made of breathable mesh creates a space between the back and the backpack, effectively reducing sweating and overheating. This construction provides stable support and even weight distribution during long hikes.

Mounting trekking equipment
Gregory Arrio 24 l features an adjustable loop and a holder for securing trekking poles or an ice axe. This practical solution allows for safe transportation of essential gear during mountain trips. The stable attachment prevents equipment from shifting and enables quick detachment when needed.

Hydration system
The backpack is fully compatible with Gregory's hydration systems. The built-in SpeedClip attachment allows for quick connection of the QuickDry 3D Hydro bladder, making it much easier to access water while on the go. The design allows for easy access to the hydration sleeve, ensuring comfort and optimal stability of the reservoir.
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Gregory Arrio 24 l hiking backpack black 136974
Gregory Arrio 24 l hiking backpack black 136974
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