"Holbrook™ XL is the big brother to top selling Holbrook™","Custom \"colorshift\" frame treatment provides a vivid illusion and magnetic effect","O Matter™ frame material provides lightweight all-day comfort and durability","Three-point fit provides comfort and performance that holds lens in precise optical alignment","Available with Prizm™ polarized lenses which enhance color recognition and block 99% of glare HOLBROOK™ XL CYAN BLUE COLORSHIFT WITH PRIZM™ BLACK POLARIZED LENSES ED9417-4759 | Matco Tools