Aer Travel Pack 3 vs Peak Design Travel Backpack 45L
Both scored on the same six factors, priced on what you actually pay including delivery, and each claim linked to the source it came from. Prototype data — prices and retailer stock are a fixed demo snapshot from 28 July 2026, not a live feed.
The Aer Travel Pack 3 wins on both score and price.
Across these 2 backpacks, the Aer Travel Pack 3 has both the highest Worth Score (8.6) and the best score per euro at 249,00 €. That is unusual — normally you trade one for the other. Its weak point is heavy before you pack anything.
Side by side
Add a third product →| What matters | Aer Travel Pack 3AerMedium confidence | Peak Design Travel Backpack 45LPeak DesignMedium confidence |
|---|---|---|
| Best price | 249,00 € (best in this comparison) | 289,00 € |
| Price fairness | 7.0 (best in this comparison) | 6.6 |
| Build quality | 9.4 (best in this comparison) | 9.2 |
| Performance | 9.0 | 9.2 (best in this comparison) |
| Longevity | 9.6 (best in this comparison) | 9.4 |
| Repairability | 7.4 | 8.0 (best in this comparison) |
| Support & warranty | 8.8 | 9.0 (best in this comparison) |
| Capacity | 35 L | 30–45 L expandable |
| Carry-on legal | Yes, most EU carriers | Yes at 35 L, no at 45 L |
| Material | 1680D Cordura ballistic nylon | 400D nylon canvas, weatherproof |
| Warranty | Lifetime against defects | Lifetime |
| Best for | One-bag travel for a week · Carrying a 16-inch laptop safely · Organised packers | Photographers with cube inserts · Trips that change length · Clamshell packing |
| Avoid if | You want something light — it is 1.9 kg empty · You need a hiking-style hip belt | You want to stay under carry-on size when expanded · You are on a budget — inserts cost extra |
| Main drawback | Heavy before you pack anything | Only carry-on legal when compressed |
3 identical rows hidden. They are the same for every product here, so they cannot help you choose.
What each score is based on
3 published sources between themAer Travel Pack 3
Peak Design Travel Backpack 45L
Confidence is computed from those lists, not asserted: Aer Travel Pack 3 is medium on 1, Peak Design Travel Backpack 45L is medium on 2. A factor with nothing behind it says so on the product page rather than borrowing a citation that does not speak to it.