| 摘要 |
A shoe sole particularly for athletic footwear for supporting the foot of an intended wearer having multiple rounded bulges existing as viewed in a frontal plane of the sole during a shoe unloaded, upright condition. The bulges include concavely rounded inner and outer portions for approximating the structure of and support provided by the natural foot. When utilizing multiple bulges, the shoe sole may include indentations between the bulges to define a flexibility axis of the shoe sole. The bulges can be located proximate to important structural support areas of an intended wearer's foot on either or both sides of the shoe sole or the middle portion of the shoe sole, or on various combinations of these locations. The bulges include side and upper midsole portions to improve stability while also improving cushioning and comfort. The bulges can be tapered as viewed in a horizontal plane to improve flexibility and reduce unnecessary weight.
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