Genuine Serious Fun by Alpina sunglasses with certificate
Serious Fun by Alpina style number: 7004                             
Ladies large rimless plastic wrap around frame
Colour of frame is: Black and White criss cross pattern and colour code is: 4556
Lens size is: 76mm wide x 55mm deep
Overall width between joints is: 135mm
Universal bridge fitting - on the centre line the bridge measures: 18mm
Lens tint: Dark Grey Non Graduated
UV400. 100% protection from uva and uvb light
Filter category is rated 3(see product details for full description)
Complete with Serious Fun by Alpina case, free cleaning cloth

Genuine Serious Fun by Alpina sunglasses with certificate
Serious Fun by Alpina style number: 7004                             
Ladies large rimless plastic wrap around frame
Colour of frame is: Black and White criss cross pattern and colour code is: 4556
Lens size is: 76mm wide x 55mm deep
Overall width between joints is: 135mm
Universal bridge fitting - on the centre line the bridge measures: 18mm
Lens tint: Dark Grey Non Graduated
UV400. 100% protection from uva and uvb light
Filter category is rated 3(see product details for full description)
Complete with Serious Fun by Alpina case, free cleaning cloth

Serious Fun by Alpina sunglasses

All Serious Fun by Alpina sunglasses are optical class 1, with highest quality optical properties. They conform to the essential safety requirements of the PPE directive 89/686/EEC and meet health and safety requirements of major international standards.

The sun emits radiation in the form of tiny particles of energy called photons. The radiation includes harmful ultra-violet (uva &uvb) radiation, which is known to cause long term damage to our skin and eyes. The UV400 lenses fitted to all Serious Fun by Alpina sunglasses provide 100% protection against this harmful UV radiation.

Filter categories:

Lenses are available in various shades and a range of colours and tints. The European standard helps you choose sunglasses providing a system of filter categories that describe the darkness of the tint. These filter categories are explained below. It is important to remember that all Serious Fun by Alpina sunglasses offer the same level of UV protection whatever the filter category.

Filter category 0
80 - 100% light transmittance
Clear or very light tint
Recommended use - dimmed brightness

Filter category 1
43 - 80% light transmittance
Light tint
Recommended use - low brightness

Filter category 2
18 - 43% light transmittance
Medium tint
Recommended use - medium brightness

Filter category 3
8 - 18% light transmittance
Dark tint
Recommended use - high brightness

Filter category 4
3 - 8% light transmittance
Very dark tint
Recommended use - exceptionally high brightness

Categories 0 - 3 are not suitable for driving at night or under conditions of poor light
Category 4 is not suitable for driving or road use.