*Optical glass prismatic lenses- Ground and polished to precision optical standards—bevel edged and mounted in an interchangeable plastic frame. *It tilts- Adjustable pivots allow the visor to be tilted out of the way when not needed and at your fingertips when you need magnification. *Adjustable headband- Conforms to fit all head sizes—fabricated from a special blend lightweight material. Comfortable when worn for long periods of time. *High impact visor- Provides a tough, durable, always-new appearance *Genuine leather comfort band- Padded orthopedic felt adds to comfort