Abstract: The present disclosure relates to a washable outer shell (1) for an absorbent assembly (2), the outer shell (1) including an inner surface (3) and an outer surface (4), the outer shell (1) has an extension in the longitudinal direction (L) and in the transverse direction (T), the outer shell (1) comprises a front region (5), a crotch region (6) and a rear region (7), the rear region (7) including a first and a second corner region (7a,7b) and a rear central region (7c), the outer shell (1) including a first hook member (9a) provided in the first corner region (7a) and a second hook member (9b) provided in the second corner region (7b), the first corner region (7a) including a first corner outer edge (7a?) and the second corner region (7b) including a second corner outer edge (7b?), the outer shell (1) including a hook attachment zone (8).