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
Recovered first-party Filson product evidence binds this record to the exact 20 L generation and publishes 20 × 12.5 × 6.5 in H × W × D geometry. The identity must not generalize across Dry Backpack generations. Empty weight is not published and remains null.