A respiratory protection device, comprising: a mask for covering a portion of a user's face, said mask comprising: a face seal comprising a nose bridge and a chin pocket to conform to a nose and a mouth of the user; an outer surface; at least one outer shield portion (131, 132) formed in the outer surface; and at least one closeable vent (171, 172) through the at least one outer shield portion, wherein the mask is a unitary structure formed of a single piece of material, and wherein the at least one closeable vent is part of the unitary structure, and is formed of a flexible material so as to be selectively closeable; the respiratory protection device further comprising: at least one particulate air filter adapted to filter at least 95% of airborne particles, said at least one particulate air filter housed within the at least one outer shield portion, wherein the at least one closeable vent is arranged to direct air flow through the outer surface for filtering by the at least one particulate air filter, wherein the outer surface comprises a smooth and wettable surface; and at least one strap (161, 162) for securing the mask to the user's face. a mask for covering a portion of a user's face, said mask comprising: a face seal comprising a nose bridge and a chin pocket to conform to a nose and a mouth of the user; an outer surface; at least one outer shield portion (131, 132) formed in the outer surface; and at least one closeable vent (171, 172) through the at least one outer shield portion, wherein the mask is a unitary structure formed of a single piece of material, and wherein the at least one closeable vent is part of the unitary structure, and is formed of a flexible material so as to be selectively closeable; a face seal comprising a nose bridge and a chin pocket to conform to a nose and a mouth of the user; an outer surface; at least one outer shield portion (131, 132) formed in the outer surface; and at least one closeable vent (171, 172) through the at least one outer shield portion, wherein the mask is a unitary structure formed of a single piece of material, and wherein the at least one closeable vent is part of the unitary structure, and is formed of a flexible material so as to be selectively closeable; the respiratory protection device further comprising: at least one particulate air filter adapted to filter at least 95% of airborne particles, said at least one particulate air filter housed within the at least one outer shield portion, wherein the at least one closeable vent is arranged to direct air flow through the outer surface for filtering by the at least one particulate air filter, wherein the outer surface comprises a smooth and wettable surface; and at least one strap (161, 162) for securing the mask to the user's face. at least one particulate air filter adapted to filter at least 95% of airborne particles, said at least one particulate air filter housed within the at least one outer shield portion, wherein the at least one closeable vent is arranged to direct air flow through the outer surface for filtering by the at least one particulate air filter, wherein the outer surface comprises a smooth and wettable surface; and at least one strap (161, 162) for securing the mask to the user's face.