I purchased the Square Titanium Glasses LE1158_Black - Gold from Olet Optical, and I’m very impressed. I use one pair for polarized lenses and the other for clear ones, and they’ve been fantastic in my dusty work environment as a local truck driver. After a week of use, there’s not a single scratch despite the constant exposure to dirt and rock. I take care of them by rinsing them with warm water and a drop of soap daily, then drying with a microfiber cloth. They hold up incredibly well under tough conditions. Highly recommend!