Highland by XS Scuba's Back-Up Mask is a Tough Mask and Buckle Designed, 2 Windowed Mask that has a Durable, yet Super-Soft Silicone Rubber Skirt and is available in all Black Silicone with Minimal Black Frame. Mask is equipped with Tempered Safety Lenses, has a Double Feathered Edge Skirt and Split Style Mask Strap for a Great Comfortable Seal on the Face. A Low Profile Mask with an Easy Access Nose Pocket for One Handed Ear Equalization gives a great Field of Vision for a Wide View of the Diving Environment. Included with the Mask is a "Tech Style" Glue-On Pocket to attach to your Wet or Dry Suit. This mask is ideal for an Emergency Back-Up.