Cylindrical Lens, Laminated Double Lens LDL, UV400 & Anti Fog, 5K Lens, Extreme Wide Field of Vision, Interchangeable Lens Exchange, Triple Layer Foam, Venting Foam, Silicone Layer, Spare Lens Included, Pouch Included, EVA Case Included LENS 5K chrome: S2, VLT 23% SPARELENS Orange: S1, VLT 57%