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We currently focus on shipping to the United States and Canada. Available shipping methods, costs, and estimated delivery times are shown at checkout.

For more details, please read our Shipping Policy.

Once your order ships, tracking information will be sent to the email address used at checkout. If you have not received tracking yet, send us your order number and we will help check it.

Return and exchange eligibility depends on the condition of the item and the policy shown on our store. Please review our Return Policy before sending an item back.

If you are unsure, contact us with your order number first.

Each product page lists the available measurements, such as frame width, lens width, bridge width, and temple length when available. Compare those measurements with a pair you already own for the easiest fit check.

Lens features vary by style. If a pair includes UV400-rated lenses, polarized lenses, photochromic lenses, or blue-light filtering, we list that clearly on the product page.

Not at the moment. MÆF currently focuses on non-prescription eyewear, sunglasses, and selected lens options by style.

Send us the product name or product link, and tell us what you want to check. We can help with lens features, size details, materials, and style questions before you order.