Essentials 247 As the name suggests our essentials pack all the punch of our regular sunglasses with no compromise on the lenses. Super light and minimal frame performs a specific function. The go to sunglasses that suit every face shape at an unbelieveable price. Brown 247 lenses for all round use. Essentials AMPM The Essentials with AMBER AMPM polarised lenses are the perfect sunglasses for low light levels. Designed for the angler who likes to locate their quarry at first and last light.