Heel stiffeners for footwear

Abstract

This product is a heel stiffener for footwear, designed to be placed in the heel area of ​​footwear. Due to its distinctive rear structure, when attached to the heel area of ​​the upper, for example, the footwear becomes easier to put on and more comfortable to wear. Furthermore, by providing cushioning material at the opening of the shoe, sandwiching the heel stiffener, the shoes become easier to put on, more comfortable, and less likely to slip off while walking (see Reference Figures 1 and 2 for examples of use).

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