The mask features an oversize, tempered glass lens which meets all ANSI standards and provides a large field-of-view along with a soft silicone facial skirt and strap for a soft, comfortable fit. The snorkel has a purge valve for easy clearing, a pre-bent flex section to reduce jaw fatigue and a valve at the top to prevent water from entering when submerged. High-efficiency fins feature drain holes to prevent water retention inside the foot pocket and an engineered channel system designed to maximize thrust & minimize fatigue