Our Cookies Policy

What Are Cookies? 
We and our business partners collect information about your use of our online services using cookies. A cookie is a small amount of information that’s downloaded to your computer or device when you visit certain websites. We use a number of different cookies on our website, including necessary, functional, performance and targeting cookies. Cookies make your browsing experience better by allowing the website to remember your actions and preferences (such as login and region selection). This means you don’t have to re-enter this information each time you return to the site or browse from one page to another. Cookies also provide information on how people use the website, for instance whether it’s their first time visiting or if they are a frequent visitor. We use this information to improve the browsing experience for all of our users.
 
Opting Out of Cookies
If you prefer, you can restrict, block or delete cookies by changing your browser settings but that may mean that you won’t be able to add and buy products from our store. If you would like further information or you would like to know how to control or delete them, please visit www.aboutcookies.org
 
Persistent Cookies for site analytics and performance
 

Google Analytics

We use this to understand how our site is being used in order to improve the user experience. All data collected is anonymous. Further information on Google Analytics can be found at: www.google.co.uk/intl/en/analytics/privacyoverview.html

 

Google Double-click

We use this to provide a mechanism to understand how users interact with our site when they arrive from Organic or Paid Searches. Further information on Google Analytics can be found at: www.google.com/policies/privacy/ads

 

Google Adwords

We use this to monitor the effectiveness of our Paid for Advertising on Google. Further Information on LinkedIn can be found at:www.google.com/policies/privacy/ads
 
How long will cookies remain on my computer or mobile device?
 

The length of time that a cookie remains on your computer or mobile device depends on whether it is a “persistent” or “session” cookie. Session cookies last until you stop browsing and persistent cookies last until they expire or are deleted. Most of the cookies we use are persistent and will expire between 90 days and two years from the date they are downloaded to your device. See the section below on how to control cookies for more information on removing them before they expire.

Social Buttons

Social Buttons for third-party social media sites are used to enable our users to share or bookmark web pages. We cannot prevent these sites from collecting information about you. To understand how third-party social media sites use information about your activities on our website and the internet, please read their respective Terms of Use and Privacy Policies.

How to control cookies?

You can control and manage cookies in various ways. Please keep in mind that removing or blocking cookies can negatively impact your user experience and parts of our website may no longer be fully accessible.

Most browsers automatically accept cookies, but you can choose whether or not to accept cookies through your browser controls, often found in your browser's “Tools” or “Preferences” menu. For more information on how to modify your browser settings or how to block, manage or filter cookies can be found in your browser’s help file or through such sites as: www.allaboutcookies.org.

You can opt out of customized ads by visiting:

To opt-out of Google Analytics:

If you use our website without opting out, it means that you understand and agree to data collection for the purpose of marketing ads to you.

Size Guide
Sienna Alexander London - Size Guide
The best way to figure out if a pair of sunglasses will fit you, is to measure a pair of sunglasses that you already have and you like, and compare the below dimensions.
Nose Bridge Width is measured in mm and is the distance between the lenses
Frame Height is measured in mm and is the height of the frame
Lens width is measured in mm and is the horizontal distance between the bridge and the temple