When things get intense, the Wiley X Rebel stays with you and keeps you comfortable. Sized to fit medium to large heads, these glasses are rated as OSHA grade occupational protective eyewear, giving you an ideal shield against potential eye hazards. These glasses also meet ANSI Z87.1 standards for high impact and optical performance and feature shatterproof lenses that block out 100% of harmful UV rays for total eye protection. A rubberized, non-slip fit keeps these glasses on your head, even when wet. Lightweight yet extremely durable, these glasses are designed to keep up with those who work hard and play harder.