FREE 3 DAY SHIPPING The Low-Volume Twin Lens Dive Mask is used by SEALS, Marine Recon, Rescue Swimmers and first responder personnel. The sleek, low-volume design minimizes drag and maintains a secure fit. The adjustable strap and swiveling buckles make for adjustable wear. The silicone skirt is super-soft and great for extended wear. Preferred style for SEALs, Marine Recon & Elite Rescue Swimmers TWIN LENS Dive Mask LIGHTWEIGHT — Sleek Low-volume design minimizes drag and maintains a secure fit ADJUSTABLE — Swiveling buckles and adjustable strap make for adjustable wear COMFORTABLE — Silicone skirt is super-soft and great for extended wear. TWIN LENS — Dual lenses sit close to the face to minimize view obstruction.   EASY-BREATHE Snorkel Rubber mouthpiece provides extreme comfort during buddy breathing exercises Large diameter snorkel tube provides unobstructed ease of breathing Minimal tube and mouthpiece bends provides easier clearing capability Traditional adult snorkel designed for scuba diving and snorkeling