Premium Marseillaise Rubber Belt Color:Blue The SDI Underwater Navigation Diver

The SDI Underwater Navigation Diver Course takes an in-depth look at all of the following and more:

Snorkel Vest

This movement allows considerable elastic potential energy to be stored in the light

Open Water Dive 3 Plan dive

Premium Marseillaise Rubber Belt Color:Blue The SDI Underwater Navigation DiverPremium Marseillaise Rubber Belt The Premium Marseillaise Belts allows the freediver to snug up the belt at the surface and forget it while going deep underwater. It is manufactured with a high stretch rubber to keep your weights comfortably in proper position during ascents and descents. The high elastic properties of the belt will contract and compress with your body and wetsuit during your descent and expand and stretch as your body and wetsuit