The new Bloc Sunglasses FF53 Monaco Crystal Grey Smoke Category 3, is suitable for medium to small face shapes. TR90 front frame combined with slim metal temples finished with smooth soft tips. Comfortable and lightweight combined with a sophisticated look make the Monaco perfect for any occasion. Distortion free, impact resistant XTR Karbon8 optical class one blue graduated lenses provide maximum protection against UVA, UVB and other harmful blue light up to 400nm. Tested to BS EN ISO 12312-1:201.