Electrochromic sunglasses and photochromic sunglasses both adjust lens darkness, but they work in fundamentally different ways. Photochromic lenses react automatically to UV light, while electrochromic lenses use electricity to let...
What are electrochromic sunglasses, and how are they different from photochromic (transition) lenses? Instant tint, user-controlled, works in the car — the category explained.
Just unboxed your Sutyo glasses? Here's the first-week guide — what's in the box, how the one-gesture control works, and answers to the questions new owners ask most.
Sutyo comes in one universal Wellington fit — no size chart to pick from. Here's how to tell if that shape will work for you before you order, plus the...
