To provide portable glasses with simple structure, excellent durability, excellent operability, compactification and economic efficiency.

The portable glasses are [1] constituted of an eyeglass frame (1) with desired thickness, of which the plane is approximately rectangular, having left and right spectacle lenses (1a) and having upper and lower slide sides (11) and a hollow sheath part (2) having an opening (2a) on one side and having guide sides (21) to be oppositely arranged on the upper and lower slide sides (11) for freely slidably guiding the upper and lower slide sides (11) of the eyeglass frame (1). Along with this, [2] the slide side (11) of the eyeglass frame (1) is constituted of an object having an engaging part (12) on the side of a rear end part and the guide side (21) of the sheath part (2) is constituted of an object having an engaging part (22) to be engaged with the engaging part (12) of the eyeglass frame (1) in the vicinity on the side of the opening (2a) by observing the glasses in a drawing direction from the opening (2a) of the sheath part (2) of the eyeglass frame (1).