<p class="MsoNormal" style="margin: 0cm 0cm 10pt;"><span style="font-family: Times New Roman; font-size: small;">The heter to change one&rsquo;s clothes several times throughout a Shabbos which occurs during the 9 days, will only be valid for those clothes suitable for Shabbos wear &ndash; such as white shirts. However, if on weekdays one wears T-shirts, coloured shirts and jeans, one would not be permitted to put them on for short periods of time during Shabbos. [see Rav Shimon Eider, A Summary of Halachos of the Three Weeks]</span></p>