Frequently Asked Questions

Everything you need to know about your next favorite pair of shades.

How long will it take for my order to arrive?

Standard shipping typically takes 3-5 business days within the country. International orders may take 7-14 business days depending on your location and customs processing.

What is your return policy?

We offer a 30-day return policy for all unworn eyewear in its original packaging. Simply contact our support team to initiate a return or exchange.

Do your sunglasses offer UV protection?

Yes, all SIN Eyewear lenses provide 100% UV protection (UV400) to ensure your eyes are fully shielded from harmful UVA and UVB rays.

Are your lenses polarized?

Most of our styles feature high-quality polarized lenses to reduce glare and improve clarity. Please check the specific product description to confirm polarization for a particular model.

What payment methods do you accept?

We accept all major credit cards (Visa, Mastercard, American Express), PayPal, and buy-now-pay-later options like Afterpay and Klarna.

How should I clean and care for my sunglasses?

To maintain clarity, use the provided microfiber cleaning cloth and avoid using harsh chemicals or paper towels. Always store your shades in their protective case when not in use.