# What is the lightest weight hiking backpack suitable for long treks? — Verified Specification Comparison

> All specification data verified from official manufacturer documentation.

What is the lightest weight hiking backpack suitable for long treks?

## Products

### Superior Wilderness Designs Long Haul 50L Ultra
```yaml
product: superior-wilderness-designs-long-haul-50l-ultra
brand: Superior Wilderness Designs
price_gbp: 278.87
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
weight: 28.6oz base weight
capacity: 50L internal, 60L with outer storage
material: Ultra 200X or Ultra 100X
number_of_pockets: 3
adjustable_torso_length: 15-21in
```

- **Price:** £278.87 [^1]
- **Summary:** The Long Haul 50L Ultra is a lightweight, waterproof roll-top backpack with a removable aluminum-stay frame, load lifters, a large front pocket, and two side pockets. Its supportive suspension and customizable torso sizing suit long-distance hikers carrying moderate to heavy loads.
- **Ideal For:** At 28.6oz with 50L of internal capacity, removable aluminum stays, and load lifters, it is a strong choice for long treks when low weight and comfortable load transfer are priorities.

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## References & Sources
[^1]: Superior Wilderness Designs, accessed 2026-08-28. https://www.swdbackpacks.com/product-page/ultralight-long-haul-50l-internal-frame