Akona Nica RS Single Lens Silicone Scuba Snorkeling Mask Akona Nica RS Single Lens Silicone Scuba Snorkeling Mask Ultra Soft crystal silicone double feathered skirt for maximum conformity to your face Easily adjusted nose pocket Easily adjustable, ratcheting buckles for a comfortable fit House Of Scuba Is An Akona Authorized Deal!