3M's innovative temple design features slotted ribs that help provide comfortable pressure equalization, allowing the temples to flex and self-adjust to the size of the wearer's headCurved temples apply pressure to the less sensitive back of the head, instead of the temples, helping achieve a comfortable fit even during rapid head movementSporty design with contemporary lens shape and a sleek profileAdjustable ratchet temples allow user to adjust the lens for facial features and eyeglass positionU6 rated polycarbonate lenses absorb 99.9% of UVA, UVB, and UVC rays between 200 nm and 380 nmFoam gasket