One of my fav totally baseless and flippant headcanons/ideas is a Thor and Loki Arranged Marriage AU where Loki grew up Jotun and is also just completely totally over-comfortable with nudity like–
At first Loki wonders why they have to wear so much clothing during their wedding ceremony. ‘We’re getting married, we should be bare underneath the sky and before the Fates’ type of thing. He begrudgingly accepts wedding clothing, but then later Thor literally cannot keep Loki in enough clothes to suit Asgardian standards.
He buys Loki SO MANY clothes and Loki loves them but ironically Loki loves to wear them when alone with Thor to show them off and play with the clothing in bed. During the day and in public Loki will just not even care if he’s wearing anything or not, and sure he knows Asgardians would rather him wear more clothing but he actually doesn’t give a shit mostly. Or he just chooses what he wants to wear and if it happens to stir up discord and scandal then GOOD. Fun.
Nicely made leather trousers and nothing else. Expensive jewelry and a barely mid-thigh length robe Thor bought him. Maybe those very nice boots Thor had made for him, a crown, and nothing else.