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Smith Factor Interchangeable Sunglasses - Polarchromic

Smith Factor Interchangeable Sunglasses - Polarchromic description

Go for a run, ride, or ski with the Smith Factor Photochromic Polarized Interchangeable Sunglasses. They'll go the distance during any outdoor activityif you can. The polarized lenses fight glare so you don't have to squint when the sun hits the pavement, water, or snow. Photochromic lenses change with varying light conditions, so when it gets light, these get dark, and when it gets dark, these lighten up. If a storm rolls in and you still need eye protection, choose one of the four lenses that come with the Factor Sunglasses to suit your needs. Hydrophilic Megol nose pads keep these puppies in place, no matter how sweaty you get. *See sizing chart for lens information.

Bottom Line: Plan a day full of activities with the Smith Factor Photochromic Polarized Interchangeable Sunglasses.

but the glasses get foggy in the change of temperatures which makes it annoying.

These smith factor sunglasses are light and don't slip. I use them for mountain biking, skiing and mountaineering. The photochromatic lense is handy as you might think. When it's super bright you aren't squinting but when the clouds roll in and you're biking through the trees you can still see.