| 摘要 |
2139351 9401013 PCTABS00030 A shoe or boot has an adjustable outer (12, 13, 30), a flexible chamber (23) for supporting a foot (31) within the outer and containing particulate material in the form of resilient beads, and an exhaust valve (24) for exhausting air from the chamber to form a substantially rigid mould of the foot within the boot.
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