I bought this frame and Gunnar G0005-C001. While the G0005-C001 model is very light and comfortable, this model (ST003) is much heavier. That being said, the ST003 has much less curvature and fits my large nose with a medium sized face much better. Although Gunnars advertises the severe curvature of their frames, 4 of my colleagues who are licensed opticians would not recommend this. 8 The base curve, which is G0005, can distort vision and actually contribute to headaches. Since it's all about eliminating points, I'm surprised Gunnars took such a risk. Regardless, these frames are moderately heavy but not overly heavy. I am very weight sensitive. Any pressure on my nose makes my eyes water. I seem to be fine with these frames. So, the pros and cons: 1. Minus - Moderate weight (compared to other lighter options) 2. Positive - 4-6 base curve (moderate compared to other highly curved frames)3. Pros - medium sized frames with easily adjustable nose pads. In the end, the frame is just great and I was happy to pay the money. Although I will add again. YOU MUST START TO SUPPLY THEM WITH THE ORIGINAL HARD CASE. I have no place to store them and I refuse to pay extra unless absolutely necessary as you make a lot of money with it. Their lenses are less than 10 cents and the frames are probably $7 to $12. Buy 5000+ brand hard case directly from China and the cost is less than $1 (I do it with my company). NO EXCUSES Gunnars.
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