Ray-Ban Sunglasses | Rayban RB3320 £80 - Buy with confidence from Rayban Authorised Retailer. The Ray-Ban RB3320 is a new thick sided metal designer sunglass by Ray Ban. The RB3320 has a full rim double bridge classic Ray Ban look, and is available in 3 colours, and one size. The Ray Ban RB3320 comes complete with Ray-Ban case and cloth.