Grey Photochromic for Changing Light
A light-adaptive grey lens is built for the days you’re constantly stepping in and out. Grey Photochromic stays clearer indoors, then darkens outdoors in sun, with a neutral activated tint that keeps the look clean and versatile.
Jo in Gold adds a slim round metal profile with adjustable nose pads. Photochromic tint is UV-activated, so it won’t darken significantly behind most car windshields.
- Frame: Jo in Gold is a slim round metal frame with adjustable nose pads – clean, lightweight, and easy to wear all day.
- Lens: Grey Photochromic – clearer indoors and darker outdoors in sun (UV-activated), with a neutral activated tint for versatile style.
- Best For: Daily commutes and in-and-out days when you move between indoor light and bright sun.
- Note: Photochromic tint is UV-activated, so it won’t darken significantly behind most car windshields.
- Fit & Size: 52-21-145 sizing; 141 mm frame width; lens height 53 mm; PD range 50-78 mm.










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