| 摘要 |
PROBLEM TO BE SOLVED: To provide an ankle protection band which prevents an ankle sprain by making up the insufficiency of the strength to the twisting of the ankle of lightweighted mountain climbing boots which are recently popularly used and leather mountain climbing boots which are collapsed in their shapes. SOLUTION: A band which fixes the ankle by covering the outer ankle and wrapping the instep and the ankle and has no stretchability is mounted from above socks and is used in combination with the mountain climbing boots.
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