Ventilated boot with waterproof layer
A ventilated boot or shoe is described wherein the boot or shoe is of conventional design having a sole, an upper portion, a toe, a heel, and instep portion, and sides forming an open top. Within the shoe, a spongy open-celled compressible insole is provided which has a pair of channels at each side...
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Format: | Patent |
Sprache: | eng |
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Zusammenfassung: | A ventilated boot or shoe is described wherein the boot or shoe is of conventional design having a sole, an upper portion, a toe, a heel, and instep portion, and sides forming an open top. Within the shoe, a spongy open-celled compressible insole is provided which has a pair of channels at each side entering the insole at the instep and at the heel portions. An impervious layer is sandwiched between upper and lower layers of spongy material to form said insole and an impervious material further forms the sides thereof. Ventilation pipes are provided which extend downwardly from the open top of the boot or shoe along the sides thereof and which form elbows at the lower end which enter the channels. As the wearer walks, the insole is compressed expelling air trapped in the open cells thereof and as pressure on the insole eases, the resilient insole expands drawing air through the ventilation tubes thereinto. In this way, outside air is exchanged via the insole to ventilate the interior of the boot and expel inside air through the open top. |
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