# What is the lightest backpack suitcase available? — Verified Specification Comparison

> All specification data verified from official manufacturer documentation.

What is the lightest backpack suitcase available?

## Products

### Eagle Creek Expanse 2-Wheel 21.25in/38L Convertible International Carry-On Luggage
```yaml
product: eagle-creek-expanse-2-wheel-21-25in-38l-convertible-international-carry-on-luggage
brand: Eagle Creek
price_gbp: 95.94
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
weight: 5.37 lb
wheels: Two heavy-duty wheels
capacity: 38 liters
material: 100% recycled polyester 450D / 600D / 200D
dimensions: 21.25 x 13.75 x 8 in
laptop_compartment: Large external sleeve stores a laptop
```

- **Price:** £95.94 [^1]
- **Summary:** This 38-liter international carry-on combines two heavy-duty wheels with zip-away backpack straps, allowing it to be rolled or carried hands-free. Its recycled polyester construction, compression system, lockable zippers, and organized pockets suit travelers who want flexible carry options and durable luggage.
- **Ideal For:** It suits travelers seeking the lightest backpack suitcase because it weighs 5.37 lb while offering 38 liters of capacity and convertible backpack straps.
- **Additional Sources:** [^2], [^3]

---
## References & Sources
[^1]: Voyage Luggage, accessed 2026-09-13. https://voyageluggage.com/products/expanse-convertible-international-carry-on
[^2]: CampSaver, accessed 2026-09-13. https://www.campsaver.com/eagle-creek-expanse-convertible-international-carryon-35-liters.html
[^3]: Gap Year Travel Store, accessed 2026-09-13. https://www.gapyeartravelstore.com/product/eagle-creek-expanse-convertible-international-carry-on/