Have a hard time finding performance sunglasses with a small enough fit? If so, the Micron is made for you. It is a compact half frame sports wrap with interchangeable lenses, adjustable features, and durability that will stand the test of time Comes in Shiny Black with a Smoke with Silver Flash lens or Shiny White with a Smoke with Green Mirror lens. 2 interchangeable lenses with smoke and copper options for bright sun and cloudy conditions. Compact sports wrap frame. TR90 nylon frame materials. Adjustable nose bridges for a customized fit. Tactile rubber arms to prevent slipping. Fits narrow face shapes. Compatible with RX adapter. 100% UVA/UVB Protection. Meets ANSI Z80.3 standards for optical clarity and impact resistance.