For Prime members only. Amazon has the Amazon Echo Frames Smart Audio Glasses w/ Alexa (Classic Black with Clear Lenses) for $250 - $150 off at checkout = $100 with free shipping. List price: $250. Make calls, listen to podcasts or Audible books, set reminders, add to your to-do lists, get the news, or control your smart home. Also, get the Polarized Sunglasses model for $120 (at checkout) with free shipping.
Has good Amazon Reviews.