Boston-style sunglasses with photochromic lenses and UV protection, featuring a stylish design. - Brand: Zoff - Style: Boston - Lenses: Photochromic - Color: Changes color in some areas - UV Protection: Yes - Material: Metal - Size: M-49 Thank you for viewing. I have never used this item since purchasing it. I bought this one because I thought I had lost my original pair, but then I found it, so I no longer need this one. I just bought it. Retail price: 8800 yen