Product details:

ROCKBROS Bike Photochromatic glasses

Gender: Unisex

Attributes lenses: Photochromatic*1

Color: Black Red

Weight: About 29g/pair

Transmittance: 95%-8%

(95% is transparent state when in low UV, 8% is the dark gray when in high UV)

Lens Material: Polycarbonate,PC

Material frame: Plastic Frame

There are frames for fixing ordinary lenses

Protection cyclist eyes from UV-400 UV (100% of UV protection)

Non-slip nose pads is adjustable.

Purpose: cycling, skiing, sledding children, fishing ,runing ,and all outdoor sports

Specifications:

1 glasses and glasses cloth 1

1 glasses bag, 1 rope glasses and sunglasses 1 group

1 polarized lens test card

1 pair of polarized lenses (tawny color) and 1 pairs Photochromatic lenses (clear color)

1 Myopia frame

Note:Color change time：winter- 1 minute ,summer-40 seconds. Speed depends on sunlight and UV intensity!