Polarized Sunglass Lenses Replacement for Oakley Oil Rig Sunglasses (Purple Coatings) Only fits for Oakley Oil Rig Sunglasses with the following SKU# : 03-491,03-493,24-034,03-494,24-087,03-490,03-490L1,24-001,24-031,12-954,24-004,12-955,24-086,03-492 Optional mirror coatings optimize usable light for specific enviroment and activities 100% Polarized (reduces glare and enhances contrast) UV rays protection Impact resistance: Yes