"Trajectory" is designed for the aim of lightness in terms of weight. The structure of the glasses looks like a trajectory from a beam of light flashing in front of our eyes. This is light and flexible. The glasses are made of one pice of alloy and two pieces of glasses as a complete set, so that the glasses are light and simple. It looks like a beautiful shape around your face. There are no unnecessaty decorations or complex shapes. It feels like wearing a piece of light and soft silk when you wear these "clip" glasses.