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.
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Labeled (LxWxH) 17.7 x 13 x 21.5 in (45x33x55cm regional agrees). Stored H54.6 x W33 x D45 per LxWxH->H,W,D mapping — semantics note. 4.05 lb. 60L (40L main + 20L daypack). 420D dobby polyester. Model 3205314. Men's/Women's same dims; 70L sibling distinct. Manufacturer classifies as travel pack (not hiking — lead framing corrected).