Small horizontal ribs between the frame and the skirt in the area around the nose. These ribs absorb and redistribute the pressure exerted by the frame onto the skirt, with a resulting increase in comfort.
Mares Ergo DryTECHNICAL SPECIFICATIONS:
Dry Top
Designed to provide divers and snorkelers completely dry breathing.
Purge Valve
Versions with the lower purge valve system ensure quick and effective tube purging.