BVANQ Polarized Replacement Lenses for Oakley Crankshaft Sunglasses Green Mirror Coatings It offers 100% UV protection & 100% polarized, easy to install Only fits Oakley CRANKSHAFT sunglasses but not CRANKCASE sunglasses Water, sweat, oil and dust resistant Reduces glare and enhances contrast perfectly Optional mirror coatings optimize usable light for specific enviroment and activities