A respiratory equipment (1) comprising: a respiratory mask (10) adapted to be applied in a use position around a nose and a mouth to a user, an inflatable harness (20), a gas supply tube (2) connected to the respiratory mask at a downstream end (2b), a storage element (30) comprising a housing (32) adapted to store the respiratory mask (10) in a storage position, and a retaining device (40) including a leash (46) and a releasably holding portion (42, 44) connected to the leash (46), the leash having a connecting portion (47) connected to the harness (20) and a securing portion (45) connected to the storage element (30).