Bigatmo Iono sunglasses (0471) RRP £179 incl VAT
Lens: Alutra (copper/brown) P20 Photochromic lens
Model No: 0471
Bigatmo Iono 0471 feature advanced Alutra (copper/brown) P20 photochromic lenses which have been developed using pilot feedback and thousands of hours of in-flight flight deck testing.
Bigatmo IONO 0471
Product ID /GTIN
100% UV Protection
Manufacturers Case & Cloth where available (for some designer brands, a microfibre bag will be provided in place of hard/soft case)
12 Months Warranty
Call us on 0330 165 6900
Mon. to Fri. 9am - 5pm GMT
All major payment cards & methods accepted.
Not happy with your new glasses? We'll give you your money back! Full T&Cs.
Not sure if these sunglasses will suit you? Take a look at our guide to face shapes & frame styles here.
Unsure of the difference between polarised or transitions/photochromic technologies? Our handy guide to lenses explains all here.
We always recommend polarised lenses for driving. Check out our guide to choosing safe sunglasses here.
Finding the correct frame size to suit you requires you to know a little about the different measurements that are used. Size information is normally broken down in to arm / temple length (ranges between 120 - 150mm), bridge width (ranges between 14 - 24mm, and lens width (ranges between 40 - 62mm). We also include a frame height measurement where possible, this can vary depending on frame style.
If you require further help, please do not hesitate to contact our customer service team on 0330 165 6900 (Mon - Fri, 9am - 5pm) for further assistance.
If you have a pair of glasses that are a perfect fit, you can usually find the frame size information on the frame - usually on the arm or the bridge.
What to look for?
You will often find a variety of information on the frame, including model number, branding and frame sizing. The numbers you are looking for will be similar to this format 150 - 22 - 50 although this can vary from manufacturer to manufacturer. These numbers provide the following information:-
150 - Arm / temple size (in mm), a 3 digit value normally ranging from 120 - 150.
22 - Bridge size (in mm), a 2 digit value normally ranging from 14 - 24.
50 - Lens width (in mm), a 2 digit value normally ranging from 40 - 62.
We do our best to ensure we stock all available items from all our supplied brands so if an item is not listed it may be out of stock or discontinued. If you do not see the frame size you require please contact us through our Customer Services system where we will try to assist you.
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