Ergonomic back panel?

Jul 26, 2013 @ 10:27
Is anyone aware of Ergonomic back panel for backpacks..what does that mean?

Jul 26, 2013 @ 13:12
Ergonomic - The applied science of equipment design, as for the workplace, intended to maximize productivity by reducing operator fatigue and discomfort

edit: it's teh addded comfort reinforcement for teh lower back and shoulders.

Sauce - Fucking google.

"The bears are attracted to the menstruation."

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