Let me start out by saying, that I am a bit picky when it comes to goggles used in costuming. There is nothing I hate more, than the trend to use cheap plastic goggles for a steam punk character. That being said, cheap plastic, these are not! Let us start off with the eye cups. They have the look and feel of a soft leather, though, that portion is "pleather" stuffed with foam rubber for comfort, it still has the look and texture of soft pig skin boot leather, and is quite breathable. The main goggles themselves are aluminum, which, would have been quite the valuable metal in the pre-victorian era, but also keeps the goggles light weight, and allows the lens frame to be removed for lens replacement. The lenses themselves feel like real glass. Not some cheap plastic that would scratch easily. Now, here's the kicker that was an unexpected treat for me: These goggles come with TWO sets of lenses! The ship with polarized glass lenses in them, and your red, and cyan lens are packaged separately. The polarized lenses make for the PERFECT sunglasses, for all of your mad science work at the beach, while the red and cyan, do indeed make the perfect 3D glasses. Remember the red goes over your left eye, while the blue goes over the right, and enjoy as 3D images pop out at you. I even tried them out for a bit of 3D gaming (though, do NOT attempt to play Left for Dead 2 in 3D with these goggles... the graphics are great, the 3D effect is great, your character is moving, and you are...