Mustique - Tortoise

Our re-interpretation of our best-selling Ciren frame in 2.0, going bigger, bolder, and more statement than ever. 

Composed of glossy tortoiseshell acetate with titanium hinges, paired with cocoa brown lenses. For the timeless classic who loves making a statement.

Handcrafted.

• Acetate with brown tinted lenses,
• Small,
• Frame Width: 135mm
• Lens-Bridge-Temple: 53-17-145mm,
• Weight: 24g

Please note all GSC sunglasses are fully UV400 protected.

Click here to view our Club Styling Guide.

All of our eyewear comes with a 2-year manufacturers’ guarantee. Learn more about our Guarantee here.

To ensure timely delivery during the holiday season, please review cut-off dates to ensure your order arrives on time.

United Kingdom (by 3pm GMT)

Standard Shipping - 15/12

Expedited Shipping - 18/12

United States of America (by 1pm EST)

Standard Shipping - 09/12

UPS 2-Day - 15/12

UPS Next Day - 18/12

Rest of World (by 3pm GMT)

Standard Shipping - 04/12

Expedited Shipping - 11/12

*Rest of World: Please note we are unable to guarantee international shipment delivery dates due to local customs. We will make every effort to facilitate shipments for you however do not have control over local customs processing times, especially during peak season.

**Please allow for an extra 1-3 business days for any orders containing custom monogramming.

***These cut-off dates do not apply for any prescription orders. Please review shipping times for prescriptions, available on the Shipping & Returns page.

Click “Select Lenses” to check out and upload your prescription (you can also e-mail it to us later). We accept prescriptions from any qualified optometrist within the last two years. 

We will also require your Pupillary Distance, or PD, measurements. PD measurements are often provided by your optometrist within your prescription, but if not, please use our virtual PD tool. Just click the “VIRTUAL TRY-ON” button above and follow the instructions within the app.