Let us not forget that John says that lots were drawn for Jesus's tunic, "woven without seam from top to bottom" (Jn 19:23). We may consider this as a reference to the High Priest's robe ...

Amen. When the soldiers had crucified Jesus they took his garments and made four parts, one for each soldier; also his tunic. But the tunic was without seam, woven from top to bottom; so they said ...