Hello Whitney, thank you for your inquiry. If you are referring to the curvy design on the temple area, this is more for designs. The frame is actually made of metal. The properties of metal include durability and flexibility; a metal frame can flex slightly better than acetate. Please check
here for more details. Here are some tips to help you choose a perfect style for you. 1. Check
face shape and frame style. 2. Use the
virtual try-on feature for style references. 3. Check how to
measure frame size. For any further questions or immediate assistance, you may also call our toll-free hotline at 1-855-487-6006 opens every day from 5 a.m.- 8 p.m. PDT. You can also contact us through our Live Chat Support Team: Start a live chat (24/7) or email us at service@firmoo.com. Please stay safe and healthy!