These are the Paula Cañas del Vas Arc Chiffon Trousers in a Black & Black colorway.
Khaite
Rick Owens
Ambush
LOEWE
Yehuafan
Ottolinger
Beautiful People
Maison Margiela
Toteme
Maharishi
Dion Lee
Mugler
Juntae Kim
Vetements
Heliot Emil
NVL-Garde
Walter Van Beirendonck