Athletic shoe e.g. special Ski boot for use during sport driving, has releasable coupling unit that is provided in surface of bags, is cooperated with operation assembly and is accommodated inside shaft of inner shoe portion

摘要

The athletic shoe has an inner shoe portion (1) having shoe leaf (1A) and shaft (1B). An adjusting device for adjusting fitting of several tensile bags (11) is mounted to inner shoe portion and is connected to an operation assembly (12) over trunk line (14). A pump (13) is provided in operation assembly, to introduce fluid into bags. An expansion unit (16) is provided to discharge fluid from bags in controlled manner. A releasable coupling unit is provided in surface of bags, is cooperated with operation assembly and is accommodated inside shaft of inner shoe portion.