A respiratory half mask for protection against particles, aerosols, and/or odors, (a) the respiratory half mask being able to be brought from a storage state into a use state by at least one folding process, (b) the respiratory half mask comprising, as mask regions , a nose region having a nose sealing line , a chin region having a chin sealing line and an mouth region arranged between the nose region and the chin region for defining a respiratory space in the use state of the respiratory half mask , (c) the respiratory half mask comprising at least one first connection portion (14.1, 14.2) which connects the nose region and/or the chin region to the mouth region and forms a folding region for the folding process, (d) the respiratory half mask comprising at least one second connection portion (15.1, 15.2) which connects the nose region and/or the chin region to at least one of the other mask regions and which delimits a length of the nose sealing line and/or a length of the chin sealing line , and (e) the second connection portion (15.1, 15.2) extending at least partially on a surface of the nose region and/or a surface of the chin region at a distance from an edge of the nose region and/or from an edge of the chin region between the first connection portion (14.1, 14.2) and the nose sealing line and/or the chin sealing line , characterized in that a nose reinforcer and a chin reinforcer are provided at the mouth region , which are formed in one piece with the rest of the mouth region , the nose reinforcer and the chin reinforcer each extending so as to overlap with the nose region and the chin region , respectively, and having a higher rigidity than the respectively covered nose region and chin region . (a) the respiratory half mask being able to be brought from a storage state into a use state by at least one folding process, (b) the respiratory half mask comprising, as mask regions , a nose region having a nose sealing line , a chin region having a chin sealing line and an mouth region arranged between the nose region and the chin region for defining a respiratory space in the use state of the respiratory half mask , (c) the respiratory half mask comprising at least one first connection portion (14.1, 14.2) which connects the nose region and/or the chin region to the mouth region and forms a folding region for the folding process, (d) the respiratory half mask comprising at least one second connection portion (15.1, 15.2) which connects the nose region and/or the chin region to at least one of the other mask regions and which delimits a length of the nose sealing line and/or a length of the chin sealing line , and (e) the second connection portion (15.1, 15.2) extending at least partially on a surface of the nose region and/or a surface of the chin region at a distance from an edge of the nose region and/or from an edge of the chin region between the first connection portion (14.1, 14.2) and the nose sealing line and/or the chin sealing line , a nose reinforcer and a chin reinforcer are provided at the mouth region , which are formed in one piece with the rest of the mouth region , the nose reinforcer and the chin reinforcer each extending so as to overlap with the nose region and the chin region , respectively, and having a higher rigidity than the respectively covered nose region and chin region . <EOS>