Lightweight and durable O-Matter® frames. Three-point fit touches only the nose and sides of the head for a secure ride. Stainless steel hinges. Hydrophilic, Unobtainium® panels at nose and temples increases adhesion when wet. Logo hit at temples. HDO® High Definition Optics® have unbeatable clarity and proven protection for any adventure. Plutonite® lens material along with XYZ Optics® maintain clarity with razor sharp optics. Plutonite filters out 100% of all UV rays and harmful blue light up to 400 nm. Hard case included. Made in the USA and imported.