If you want to buy them from boutique , go to Sunglasses Hut or Lenscrafters . There are a wide selection for you to choose .If you want to buy them online ,you can visit their website to find your favourite one . There are also many online store or auction that sell designer glasses. There is a way to find a trusted online store . Find their page on Facebook or Twitter and see the number of their fans and the customer's review . It will give you much information about the store .