BTS x Calvin Klein NORMAL Pajama EditionNew BTS x Calvin Klein pajama collaboration tied to ARIRANG era. Teaser released, pre-orders open Aug 4. Fans eager for the drop.Sources (2)BTS x Calvin Klein NORMAL Pajama Edition Teaser and Pre-Order Datecomplex.comBTS and Calvin Klein Tease Pajama Edition Collaborationcomplex.comUpdated Aug 3, 2026