Colourful, vibrant frames and lenses coupled with sports technology make the new Bloc Sunglasses FF91 Fiji Blue Red Mirror a stunning sunglass. Soft grippy rubber on the temple tips to ensure they're always comfortable.  Distortion free, impact resistant XTR Karbon8 optical class one lenses with red mirror provide maximum protection against UVA, UVB and other harmful blue light up to 400nm. Tested to BS EN ISO 12312-1:201.