The Bolle Contour Glasses provide the most extreme sun and safety protection. These Safety glasses are made with a PLATINUM® ASAF coating on both sides of the lenses to prevent fogging, resist scratches and resist even the most aggressive chemicals. The lightweight wraparound frame only weighs 0.75 oz yet offers a sturdy and comfortable fit. These tac glasses also come Z87+ impact rated as well as tested and approved to ANSI Z87.1-2010 standards.