Dark lens version for mountain (alpine), desert, ocean and coastal survival situations where direct light is frequent. Designed for protection of the eyes in emergency and survival situations where the risk of snow or sun blindness is high, and for increased protection of the eyes while performing survival-related tasks. Polarized. Restricts 99% of UVA and UVB light. Features: Wrap-around lenses for maximum protection from all angles. Extremely light weight. Foam pads aid to prevent fogging and allow for increased comfort. Drawcord for secure, comfortable attachment and ensured retention. No arms that can break. Cleaning cloth included. Parachute Cord Lanyard with two feet of seven- strand military grade parachute cord for use in other survival tasks if needed. That makes 16 feet of cord (including the shell) for emergency use as fishing line, for shelter construction, etc. Carrying canister protects Survival i-Shield when not in use.