Product details: Brand: ROCKBROS Product Name: Polarised Sunglasses Type: Full rim one piece large lens Lens material: PC(Automatic colour change and polarisation), Coating (coloured polarizer) Colour: Cement grey, Transparent grey, Coloured green Weight: Approx. 30g Features: Full format lenses: Lenses made of PC material have better flexibility and impact resistance. The full-frame design with large lenses provides a wider field of view and reduces blind spots. Coloured coating: The lens surface has a coloured coating that effectively blocks strong light and reduces glare. Non-slip nose pads: The adjustable nose pads are made of non-slip rubber material and adapt to different face shapes. It not only improves wearing comfort, but also ensures stability when driving. Comfortable temples: The temples are designed with rubber and PC joints, which have good strength. At the same time, the centre is hollow, which is comfortable and breathable. The pleasant clamping force effectively reduces head pressure, making you more relaxed and comfortable while riding.