The Kate is a flattering square cat-eye shape suits everyone and is THE shape of season. The square shape has curves in all the right places which makes this style flattering and easy to wear. The dusky purple crystal eco acetate is fresh and pretty. This easy to wear, go with everything colour suit all face shapes and skin tones. The unusual blue to pink lenses cast a cool, soft hue over the world. The better you care for anything, the longer it will last so please look after your sunglasses. If you wear them on your head they will stretch so please avoid this. Keep them in the case to keep them safe. Clean them with a non abrasive cloth like the one that came with them. It is possible to reglaze our frames with a prescription lens, however do check with your optician as there can be restrictions on the size of the lens they are willing to glaze. All of our sunglasses comply with British and European standards comply with BS EN ISO 12312-1: 2013+A1: 2015 Filter category 3 - High protection against sun glare Warning: not for direct observation of the sun