MUJI UV400 Cut, Blue Light Blocking, Boston Sunglasses Color: Gray I realized I'd lost my glasses while out and bought these in a hurry to protect my eyes. Used them for about 3 hours until I got home. The frame is a transparent gray color. The lenses are lightly tinted. Check at MUJI for details. For those who are okay with it: May be shipped via Yu-Yu Mercari delivery service.