3F UL Gear Qidian 40+16 UL Backpack
An ultralight frameless hiking pack with a 40 L main volume plus about 16 L of roll-top expansion (up to around 56 L). Empty weight is about 850 g, with a practical load rating around 12 kg — suited to lightweight overnight and multi-day trips when you keep the kit list tight.
You can slide a closed-cell foam pad into the back panel for extra structure. Hardware uses YKK and Duraflex. See more 3F UL Gear packs.
Key features
- Frameless ultralight design (optional foam-pad stiffener)
- 40 L + 16 L roll-top expansion
- About 850 g empty weight
- Hip belt and chest strap
- Hydration compatible
- YKK zips and Duraflex buckles
- Colours: green, grey, khaki (and other options by batch)
Specifications
| Capacity | 40 + 16 L (up to about 56 L) |
| Weight | 850 g |
| Max recommended load | About 12 kg |
| Dimensions | 80 × 30 × 22 cm |
| Materials | Nylon body (often listed as 210D ripstop) with heavier base; Duraflex / YKK hardware |
| Closure | Roll-top |
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