A pair of spectacles, in particular industrial safety spectacles, a) comprising a lens arrangement having two lateral temple arm bearing arrangements, wherein each of the temple arm bearing arrangements has i) a first hinge lug having a first bearing opening, ii) a second hinge lug having a second bearing opening situated opposite the first bearing opening, and iii) at least one locking member insertion opening configured in the first hinge lug or second hinge lug, and b) comprising two temple arms, which respectively have i) a temple arm main body, ii) a bearing pin integrally connected to the respective temple arm main body, which bearing pin - in the assembled state, is pivotably connected to the first bearing opening and the second bearing opening of the respective temple arm bearing arrangement, and iii) at least one locking member, which - in the assembled state, is arranged between the hinge lugs (7, 8) of the respective temple arm bearing arrangement, and - in a pivot position of the respective temple arm that is different from a temple arem assembly position, holds together this temple arm and the lens arrangement in a locking manner, and c) comprising a temple arm stroke for moving the respective temple arm into its adjacent end position, characterized in that d) the bearing pin has at least one latching projection having at least one latching surface which latter is oriented counter to a temple arm assembly direction and, in an assembled state of the temple arm located in the temple arm assembly position, is facing toward the adjacent hinge lug in order to prevent disassembly. a) comprising a lens arrangement having two lateral temple arm bearing arrangements, wherein each of the temple arm bearing arrangements has i) a first hinge lug having a first bearing opening, ii) a second hinge lug having a second bearing opening situated opposite the first bearing opening, and iii) at least one locking member insertion opening configured in the first hinge lug or second hinge lug, and i) a first hinge lug having a first bearing opening, ii) a second hinge lug having a second bearing opening situated opposite the first bearing opening, and iii) at least one locking member insertion opening configured in the first hinge lug or second hinge lug, and b) comprising two temple arms, which respectively have i) a temple arm main body, ii) a bearing pin integrally connected to the respective temple arm main body, which bearing pin - in the assembled state, is pivotably connected to the first bearing opening and the second bearing opening of the respective temple arm bearing arrangement, and iii) at least one locking member, which - in the assembled state, is arranged between the hinge lugs (7, 8) of the respective temple arm bearing arrangement, and - in a pivot position of the respective temple arm that is different from a temple arem assembly position, holds together this temple arm and the lens arrangement in a locking manner, and i) a temple arm main body, ii) a bearing pin integrally connected to the respective temple arm main body, which bearing pin - in the assembled state, is pivotably connected to the first bearing opening and the second bearing opening of the respective temple arm bearing arrangement, and - in the assembled state, is pivotably connected to the first bearing opening and the second bearing opening of the respective temple arm bearing arrangement, and iii) at least one locking member, which - in the assembled state, is arranged between the hinge lugs (7, 8) of the respective temple arm bearing arrangement, and - in a pivot position of the respective temple arm that is different from a temple arem assembly position, holds together this temple arm and the lens arrangement in a locking manner, and - in the assembled state, is arranged between the hinge lugs (7, 8) of the respective temple arm bearing arrangement, and - in a pivot position of the respective temple arm that is different from a temple arem assembly position, holds together this temple arm and the lens arrangement in a locking manner, and c) comprising a temple arm stroke for moving the respective temple arm into its adjacent end position, characterized in that d) the bearing pin has at least one latching projection having at least one latching surface which latter is oriented counter to a temple arm assembly direction and, in an assembled state of the temple arm located in the temple arm assembly position, is facing toward the adjacent hinge lug in order to prevent disassembly.