DESC: Features Reliance Purge Mask Double lens mask Low-volume aviator style design Extra-large nose pocket and a patented purge exhaust system which channels bubbles away from viewing area Purge clears easily and equalizes efficiently if you free dive to take a look around your water environment Tempered glass lenses that meet ANSI standards State of the art silicone material with a double feather edge on the face skirt Snake Snorkel Angled mouthpiece that conforms to your bite Large bore snorkel tube for easy breathing Splash guard and purge exhaust to elliminate water Ergonomically designed mouth piece Pre-bent flex section to reduce jaw fatigue