這個有幾個保暖級別，4.0是最高級別，另外有3.0，2.0等。我買的4.0，在美東的冬天確實很暖和

來源: Lydia79 於 2021-01-24 07:55:02 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.