Highest quality equipment intended for extended range and depth by a more serious and experienced user. Dive Industry appropriate quality reminiscent and equal to if not greater than that marketed currently by dive retailers and utilized for most recreational diving activities. Within the Nat Geo Explorer Series is a grouping worthy of mention, the Fit Traveler Series - Often utilizing the equipment for fitness regiments at home, on the road and also for exploration during travel makes it the perfect selection for the active snorkeler