Let your next expedition lead you to the Outer Limits:

Ultra-clear, pure glass is a common feature with Highland frameless masks, which eliminates the green tint found in ordinary mask glass. The universal fit, coupled with the HD time-proven buckles, makes this the choice of serious divers.

The buckles attach to the mask skirt, allowing the mask to fold into a flat package, making this an ideal back-up mask to stow in the Squall Pocket. The time-proven buckles are also strong and hold the strap securely.