A patient interface device (30, 230, 330, 430, 530) comprising: a support member (34, 234, 334, 434, 534) comprising a central support portion (50, 250, 550) and a pair of cheek mount supports extending from respective opposite sides of the central support portion (50, 250, 550), wherein the central support portion (50, 250, 550) and the cheek mount supports are a unitary structure, wherein each cheek mount support is at a first end coupled to the central support portion (50 250, 550) and configured to apply a force to a side of a user's cheekbone while applying substantially no force over an apex of such a user's cheekbone responsive to the patient interface device being worn by a user, wherein each cheek mount support comprises (i) a first member that is adapted to pass between an apex of a cheekbone and an eye of a user, (ii) a second member that is adapted to pass below the apex of the cheekbone responsive to the patient interface device being worn by such a user, and (iii) a headgear coupling element provided at a second end of each cheek mount support for coupling a headgear assembly to the second end of each cheek mount support; a seal member (36, 236, 336, 436, 536) operatively coupled to the central support portion (50, 250, 550), wherein the seal member is adapted to seal against a surface of a user to communicate a flow of gas with an airway of such a user; and a conduit coupling member (38, 355, 438a, 438b, 538) operatively coupled to the seal member, characterized in that the first member and the second member of each cheek mount support are joined at both the first end and the second end to define a loop-shaped structure that is sized and configured to fully encircle the apex of a cheekbone of the user and that is made of a unitary piece formed from a generally rigid material consisting of metal, plastic, or a combination thereof. a support member (34, 234, 334, 434, 534) comprising a central support portion (50, 250, 550) and a pair of cheek mount supports extending from respective opposite sides of the central support portion (50, 250, 550), wherein the central support portion (50, 250, 550) and the cheek mount supports are a unitary structure, wherein each cheek mount support is at a first end coupled to the central support portion (50 250, 550) and configured to apply a force to a side of a user's cheekbone while applying substantially no force over an apex of such a user's cheekbone responsive to the patient interface device being worn by a user, wherein each cheek mount support comprises (i) a first member that is adapted to pass between an apex of a cheekbone and an eye of a user, (ii) a second member that is adapted to pass below the apex of the cheekbone responsive to the patient interface device being worn by such a user, and (iii) a headgear coupling element provided at a second end of each cheek mount support for coupling a headgear assembly to the second end of each cheek mount support; a seal member (36, 236, 336, 436, 536) operatively coupled to the central support portion (50, 250, 550), wherein the seal member is adapted to seal against a surface of a user to communicate a flow of gas with an airway of such a user; and a conduit coupling member (38, 355, 438a, 438b, 538) operatively coupled to the seal member,