求翻译：赛罕区的刘先生前不久为上初中的儿子定制了一件羽绒服，没想到半个月后，刘先生的妻子在清洗羽绒服时闻到一股异味。无独有偶，家住新城区的张女士花155元在一家小店定制了一件羽绒服，穿后发现有严重的“跑绒”现象。是什么意思？

Liu Saihan area for the middle school son recently had a custom jacket, did not think two weeks later, Mr. Liu's wife in the washing down jacket smelled an odor. Coincidentally, Ms. Zhang, who lives in a new city to spend 155 yuan in a shop customized a down jacket, wearing and found to have serious