Oakley snow goggles are built for punishing abuse, & the EN 1938 impact rating of AMBUSH? adds protection to even the most aggressive shred session. The interchangeable strap on the comfortably lightweight O MATTER frame is backed with silicone for a no-slip grip. Scratch-resistant LEXAN lens material blocks the cruel UV rays found in the highlands, & the interchangeable lens design lets you adapt when the atmosphere goes from baked sun to bruised clouds.