Sherwood has brought back the classic J"-style snorkel design for those wholike a simple, yet functional no-nonsense snorkel. The onyx has a professionalmatte black finish for that stealthy look. The onyx has been designed forspearfishing, free diving, and in many cases is used for scuba because of thelow profile nature of the Onyx. The contoured tube hugs the divers head forperfect hydrodynamics and less drag. The onyx has an easy-to-attach and detachsnorkel keeper for attachment of the snorkel to your mask.