When I tried this product on, I immediately noticed how well they fit and stayed in place. The goggles were comfortable to wear for long periods of time and did a great job of blocking out any debris or particles. They are perfect for anyone working in industrial and scientific fields. However, the only downside is that the lenses may not be scratch-resistant, so be careful when cleaning them. Overall a great investment for anyone in need of reliable and comfortable protective eyewear. .