We now offer an extensive selection of Serengeti Progressive Sunglasses! We want to give you the most options of Serengeti Progressive Sunglasses. From our incredible collection of accurate riflescopes, red dots and leather holsters for hunters, shooters and law enforcement professionals to our many educational microscopes, compact magnifiers and lab supplies for scientists, we do everything we can to give you the widest selection on the web! But our commitment to your total satisfaction doesn't stop with selection and prices. We also have a complete in-house service team located in the Midwest and teams of expert product specialists who would love to answer whatever questions you have. Our How-To Guide Page also gives you a great way to be sure you find just what you're looking for, as greater understanding of how the item you need operates and how to use it helps you make a smarter decision.