Catholic liturgical traditions place great importance on the appearance and conduct of altar servers during sacred worship. While the use of traditional vestments may vary according to parish customs and diocesan guidelines, a cassock and surplice for altar servers remain the most widely recognized attire for serving at the altar. These garments reflect reverence, humility, and the Church’s long-standing liturgical heritage while helping preserve the dignity and solemnity of the Mass. Understanding whether they are required enables parents and young servers to follow Catholic traditions with confidence and a deeper appreciation of their sacred ministry.