The Yasei sunglasses feature either smoke coloured, or mirrored polarised TAC lenses depending on which model is chosen. Shimano Yasei. Shimano Yasei Green Revo Polarized Sunglasses. Shimano prides itself on its ability to design and produce fishing tackle that features cutting edge technology such as High Efficiency Gearing (HEG), A-RB and TC4 Construction.
