Outdoor UV400 ND Filter Sun Glasses 9 levels of Adjustment Men Sunglasses

World's First ND Filter Sunglasses
UV400 ND filter 9 levels of adjustment

Honestly though a variable ND on sunglasses would actually be a great idea. Like transition lenses but you can control your own level instead of waiting for it to turn darker/lighter on its own

Package included：

1 X ND Filter Sunglasses