Psa 45:13, Psa 45:14, similarly describes the Church (Israel, the appointed mother of Christendom) adorned as a bride (so Isa 61:10). It is Messiah who provides the wedding garment (Rev 3:18; Rev 19:8).
badgers’ skin - tahash; others translate, “seal skins.” They formed the over-covering of the tabernacle, which was, as it were, the nuptial tent of God and Israel (Exo 26:14), and the material of the shoes worn by the Hebrews on festival days. (See on Exo 25:5).
fine linen - used by the priests (Lev 6:10); emblem of purity.