Built rugged for the battlefield, the ESS CDI Black Sunglasses with Polarized Mirror Blue Lenses offer high-impact ballistic protection and distortion-free clarity. These ESS sunglasses feature a high-speed, low drag frame with 2.2mm shatter-resistant lenses and a ToughZone anti-scratch coating. The rubber temples and nose bridge provide a non-slip grip even when wet, and the low-profile arms allow for tactical helmet and comms gear compatibility. These tactical sunglasses also block out 100% of harmful UVA/UVB rays and utilizes a Lateral Exchange System for quick lens interchangeability.