Guide

First Collection

With intuitive tint adjustment, understated presence, and versatile styling, Sutyo redefines what sunglasses can be. One frame that moves with you, from city streets to open air, from work to everything after.

Sutyo Style Style

Aug 10, 2026

Why Transition Lenses Don’t Work Well in Cars: The Science Behind Driving Sunglasses

Transition lenses often do not darken enough while driving because they rely on ultraviolet (UV) light to activate, and most vehicle windshields block a significant amount of UV exposure. As...

Aug 5, 2026

Why Transition Lenses Don’t Work Well While Driving (And What Works Better)

Transition lenses often do not darken properly while driving because they rely on ultraviolet (UV) light to activate, and most car windshields block much of that UV exposure. Electrochromic sunglasses...

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Why Transition Lenses Don’t Work Well in Cars: The Science Behind Driving Sunglasses

Why Transition Lenses Don’t Work Well While Driving (And What Works Better)