Promate Hornet Tri-View Scuba Diving Mask with Purge Valve MK380 – Comfortable Snorkeling & Scuba Gear for Underwater Adventures

*Ideal for medium to large faces - face seal size W4 1/2 * H3 5/8
*Unique purge design
*Crystal, liquid silicone injected skirt and strap
*Double edge comfort seal
*Swivel and adjustable buckles
*Side windows provide panoramic underwater view
*Tempered glass