Standard
50.8 × 34 × 23.1 cm
Capacity: 25 L · Empty weight: Unknown
Check standardBackpack
Tom Bihn Synapse 25L
The published exterior size, capacity and empty weight—followed by a direct path to check this bag against your airline.
At a glance
Bag details
- Exterior dimensions
- 50.8 × 34 × 23.1 cm 20.0 in × 13.4 in × 9.1 in
- Capacity
- 25 L
- Empty weight
- Unknown
- Bag type
- Backpack
For fit checks
Available configurations
Only the configurations listed as selectable below can be used for a definitive airline fit check.
About this model or configuration
25L · current · Current · 13.4" (w) x 20" (h) x 9.1" (d) / 340 (w) x 508 (h) x 230 (d) mm
Measurement notes
What the published size includes
- Published measurement
- 13.4" (w) x 20" (h) x 9.1" (d) / 340 (w) x 508 (h) x 230 (d) mm
- Handles and wheels
- The manufacturer does not say
- Material
- X-Pac / 630d Ballistic / 420d Spectron
- Structure
- Soft
BagCheck compares the three exterior measurements in the best physical orientation. It does not invent a missing axis label or assume that unknown protrusions are included.
Source
Where these details came from
- Last checked
- Evidence
- Manufacturer exact-model source checked 2026-08-21. Unknown handle/wheel inclusion and axis semantics remain explicit null/UNSPECIFIED unless the manufacturer published them.