Let's talk about the priesthood for a moment in light of the Day of Atonement.
The high priests garments were made for glory and for beauty (Ex 28:2). They comprised of ...in the order of being put on - Lev 8:5-9
Leviticus (Vayikra) 8:5 Moshe said to the community, "This is what ADONAI has ordered to be done. 6 Moshe brought Aharon and his sons, washed them with water, 7 put the tunic on him, wrapped the sash around him, clothed him with the robe, put the ritual vest on him, wrapped around him the decorated belt and fastened the vest to him with it. 8 He put the breastplate on him, and on the breastplate he put the urim and tumim. 9 He set the turban on his head, and on the front of the turban he affixed the gold plate, the holy ornament, as ADONAI had ordered Moshe.
On the great Day of the year when the high priest entered into Gods presence to secure atonement for both himself and for the nation, he was commanded not to come dressed in glory or beauty.
Lev 16:4 He shall be girded with the linen coat and shall have the linen breeches on his body, be girded with the linen girdle and wear the linen turban: These are the holy garments.
The high priest laid aside all the glory of his garments and put on those parts that represented humility - for it was in humility that he was to come before the Lord to atone for the iniquity of his people. He came, not as a king, but as a pauper. Paul wrote concerning Yeshua (Phil 2:7) that ...[He] emptied Himself, taking the form of a servant... and (Phil 2:8) ...being found in human form, He humbled Himself... Also in II Cor 8:9, he wrote that Yehsua...though...rich, yet for your sake He became poor...
When Jesus came to earth, He likewise laid aside all His glory and beauty (He didnt lay aside His deity, only His glory and beauty - Is 53:2) that had been rightfully His (John 17:5) and, in the humility of humanity, presented Himself before the High Priest of the earthly temple.
Therefore, as we now come to begin to consider the ceremonies of Yom Kippur, we can initially see that Yeshua is, from the very beginning, considered to be the greater High Priest whos the fulfilment of all that the Law was only a shadow.
An interesting scene takes place in the residence of the high priest shortly before Yeshua is to be crucified (Mtw 26:57-65). Those who had seized Jesus had brought him here to be examined by Caiaphas, the current high priest according to the law of Moses.
Being anxious to have Jesus confess that He claimed to be the Messiah, he put Him under oath by saying to Him I adjure you by the living God, tell us if You are the Christ... a possible echo back to the legislation of Lev 5:1 where a witness who hears a public adjuration to testify must speak the truth or else it be reckoned to him as sin.
Therefore Yeshua has no choice but to answer in the affirmative - indeed, the reason behind Caiaphas citing of the Scripture was that if, as happened, Jesus confessed Himself to be the Messiah, he could justify the death sentence while, if He denied it, he could also condemn Him for speaking a lie. His silence on the matter (Mtw 26:63) would also have been tantamount to an admission of guilt or, at the very least, a transgression of the OT Law.
However, here the two high priests stand face to face - Caiaphas (the high priest of the Old Covenant) and Jesus (the High Priest of the New).
Upon hearing Jesus confession, Caiaphas, unthinkingly, rends his garments (Mtw 26:65) something that it was forbidden for him to do. The Law commanded that his clothes should remain in one piece so that his consecration to God would be preserved (Lev 21:10-12) and that he wouldnt die (Lev 10:6). But here, the consecration (Caiaphas separation to God to do His service) is torn away from him by one act of carelessness (see also Ex 28:31-32, 39:23 which refer to the tearing of the high priests garments - but here they have to do with the priestly clothes). Thus Caiaphas through this act became unworthy to be the High Priest and upon Yeshua the manntle is passed. Here, then, one high priest tears away the priesthood from himself while the other takes up the Priesthood that has been given to Him by promise (Heb 7:15-22) in order to secure an eternal work of atonement. So also are we to be fitted with white linen, as his royal priesthood., thus joining Him in the final atoning work.