KATSEYE will release its debut EP, SIS (Soft Is Strong), on August 16 via HYBE x Geffen Records. SIS (Soft Is Strong), the EP’s title, reflects one of KATSEYE’s core beliefs – Soft Is Strong – and also nods to the sisterhood they’ve forged, despite coming from immensely different cultures. The six members of KATSEYE are: DANIELA (USA); LARA (USA); MANON (Switzerland); MEGAN (USA); SOPHIA (Philippines); and YOONCHAE (South Korea).

Contents include CD, Exclusive Photocard (2 random out of 6 exclusive photocards) , Photocard (2 random out of 6 photocards), Lenticular Card, Lyric Card (5, for each song), Photobook, Stickers, Paper Key Ring, Polaroid, Postcard (6, of each member), Folded Poster.

Canadian version

Media	Music CD CD/Merch (CD inkl. merchandise)
Number of units	1
Released	August 23, 2024
EAN/UPC	0602465902075
Label	GEFFEN UNIP6590207.2
Genre	K-pop
Dimensions	150 × 251 × 21 mm · 250 g (Weight (estimated))