The dimensions of 21x11x7" = 1617 cu. inches. Please explain how you arrived at over 2300 cu inches.

Asked on 8/18/2013 6:55:54 AM by Mark from NY
  • Answer If this was a ridged sided box 1617 cu in would be correct, but backpacks are not ridged. The backpack industry gets the volume measurement by filling the pack with small plastic balls. The balls are then poured into a cylinder and the cu in are then calculated.
    Answered on 8/20/2013 12:14:45 PM by Prod. Spec. Kevin from Sierra Trading Post
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