Durable C-5™ alloy is digitally sculptured into the thinnest wire frame ever created by Oakley. Its flexibility provides an adaptable fit with minimal cranial pressure. The Whisker combine all-day comfort with the unbeatable clarity of High Definition Optics (HDO®). Lenses of pure Plutonite filter out 100% of all UV and maintain impact protection that meets all ANSI Z80.3 standards. For added comfort and a secure fit, supple Unobtainium components increase grip with perspiration.