I am allergies about some material, such as plastic frame, so it is diffcult for me to select frame, can you give me some suggestion? what kind of frame should i select? Thank you!

Yes, some people are allergies about some material, in that case, i suggest your to select pure titanium frame to wear. If you want to buy this frame, you can click here to take a look
they provide many pure titanium frame at a reasonable price......