TR90 lightweight full rectangle Frame, Grey/blue, Polycarbonate lens for resistance and optical clarity, Embedded ProBlu 420 technology , Technology in the core of the lens, Nylon/PC curved frame, This unisex and bold frame comes with PrB lenses absorbing 80% of harmful bluelight at 445nm, Supplied with hard case, microfibre cloth, user instruction, Lens marking 2C-1.2 1 F , Frame marking EN166 F