Importance

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Abstract

A venting system for hats has a resilient, shock-absorbing headband inside the lower periphery of a hat dome. The headband has inner and outer annular bands spaced apart by a air passages. A plurality of arcuate septums are in contact with one another consecutively around a perimeter of the headband. Inwardly directed forces normal to the headband are converted into compressive forces on the septums directed along the headband perimeter. Forces on the head of the user are thereby reduced. A top vent with ports around a chamber extends upward from the dome. A cover across the top vent sheds water. The top vent is selectively movable upward into an open position to allow air flow through the headband air passage, the dome, the chamber, and out of the ports by convection. Ambient air will also flow in through the top vent ports and exit the ports on the opposite side. This will cause a lower than ambient air pressure to draw air out, cooling the dome. The top vent is selectively movable downward into a closed position to stop air flow, and retain heat inside the dome.

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First Claim