To provide spectacles for mounting on a cap which are not put on the ears but are attachable and detachable on and from the cap, etc., with a touch of a finger, may be moved up and down between a use position and a kick-up position at need, eliminate a laborious time accompanied with mounting and removing of the spectacles, etc., and capable of using conveniently when a user puts on the spectacles, etc., simultaneously in the state of wearing the cap, etc.

The spectacles have coupling members 4 which are attachably and detachably mounted at a spectacle receiving member 2 mounted at the cap, etc., (helmet 1) and a spectacle body part 5 which is a spectacle frame 50 without having temples, etc., and holds lenses 51, etc. This spectacle frame 50 is connected to the coupling members 4 in such a manner that the spectacle frame turns up and down between the use position A and the kick-up position B.