Think Tank Venturing Observer 20L vs Timbuk2 Authority Laptop Backpack Deluxe
The Think Tank Venturing Observer 20L is 20L and 1.1kg2.4lb; the Timbuk2 Authority Laptop Backpack Deluxe is 20L and 1.1kg2.4lb. They weigh the same. The Think Tank Venturing Observer 20L costs $48.27000000000001 less. The Think Tank Venturing Observer 20L fits the carry-on limit of 36 of 36 major airlines and the Timbuk2 Authority Laptop Backpack Deluxe fits 36; under the seat, 0 and 0 of 26.
| Spec | Think Tank Venturing Observer 20L | Timbuk2 Authority Laptop Backpack Deluxe |
|---|---|---|
| Price | $130.73Best | $179 |
| Volume | 20L | 20L |
| Weight | 1.1kg2.4lb | 1.1kg2.4lb |
| Carry-on compliance | 100% | 100% |
| Personal-item compliance | 0% | 0% |
| Dimensions | 47.5×29×13cm18.5×11.5×5in | 48×29×13.5cm19×11.5×5.5in |
| Laptop | 16" | 17"Best |
| Bottle pockets | 2 | n/a |
| Warranty | Lifetime | Lifetime |
| Organizer | Yes | Yes |
| Shoe compartment | No | No |
| Hydration sleeve | No | No |
| Frame sheet | No | No |
| Water-resistant | Yes | Yes |
| Rain cover | Yes | No |
| MOLLE | No | No |
| Hip belt | No | No |
| Sternum strap | No | No |
| Load lifters | No | No |
| Shoulder strap | No | No |
| Luggage pass-through | Yes | Yes |
| Camera compartment | No | No |
| Material | 420D nylon ripstop, 1640D ballistic nylon, DWR | 100% recycled 200D x 200D x 600D nylon |
| Last checked | 2026-09 | 2026-09 |
Where their airline fit differs
Both bags pass and fail the same airline size limits.
Add more bags to this comparison
Specs come from each brand's own product page. Fit uses listed dimensions in any orientation. How we score carry-on fit.