The Ray-Ban RB8313 sunglasses are a member of the Ray-Ban Tech family, crafted with carbon fibre arms to ensure extra durability and flexibility. The gunmetal frame is fitted with a slightly larger green polarised lens to protect your eyes from harsh UV rays and surface glare, whilst preventing eye strain and fatigue. Combining functionality and fashion – The Ray Ban Sunglass Collection consistently reflects the image of true style incomparable with any other brand on the market.