אֶת־בִּגְדֵ֥י הַשְּׂרָ֖ד לְשָׁרֵ֣ת בַּקֹּ֑דֶשׁ אֶת־בִּגְדֵ֤י הַקֹּ֙דֶשׁ֙ לְאַהֲרֹ֣ן הַכֹּהֵ֔ן וְאֶת־בִּגְדֵ֥י בָנָ֖יו לְכַהֵֽן׃
Rashi on Exodus
בגדי השרד THE KNITTED GARMENTS — to cover up the Ark, the table, the candelabrum and the altars at the time of removing and packing up the articles in the Tabernacle when they set out on their journeyings.
Rashbam on Exodus
לשרת בקודש, to cover the various furnishings of the Tabernacle during the periods the Israelites were traveling.