This is a pair of unisex full-rim frame made of mixed materials, with the mixed use of metal and acetate. The weight plus the basic plastic lenses is about 18-19 grams, which is pretty lightweight. The whole front frame is punched from metal sheeting. The acetate temples give the wearers comfort while wearing. The use of acetate on the temples greatly reduces the possibility of dermatitis, and enhances the grip to avoid falling down from nose. There are three colors, black, burgundy and blue. This sleek frame highlights the function and fashion, will get you noticed by others easily.