Yellow-tinted safety glasses provide enhanced contrast, making them ideal for low-lighting conditions, and for inspection of surfaces while sanding and finishing. these feature a pliable wrap-around design that comfortably hugs your face. the earpieces are adjustable in and out for a snug fit, and the frames dip in at the temples to help maintain the seal when used with earmuff hearing protection. ansi z87.1-2003 and csa z94.3-2007 compliant.technical details:yellow lenses for better contrast.black frames with adjustable earpieces.semi-rimless, dual-lens design.soft nosepiece and adjustable temples.anti-scratch coating.anti-glare protection.good for low lighting conditions. meets the requirements of ansi z87.1-2003 and csa z94.3-2007.