Sherwood Onyx Mask Diving Gauges Logbook provides data for the

Logbook provides data for the last 20 dives to allow for post-dive review and analysis

and the SCUBAPRO broad range takes individual differences into account

This allows the Airsource to remain with the diver’s complete regulator for packing and traveling

Blade type: Split

Good face seal and great comfort

Sherwood Onyx Mask Diving Gauges Logbook provides data for theThe Sherwood Onyx Mask is a great low profile dual lens mask only available in one color: Stealth Black. Comprised of durable yet flexible silicone, this mask is perfect for spear fishing, free diving, scuba diving, or snorkeling! The Sherwood Onyx Mask is a great low profile dual lens mask only available in one color: Stealth Black. Comprised of durable yet flexible silicone, this mask is perfect for spear fishing, free diving, scuba diving, or