Oceanic Shadow Dive Mask View Swimming Goggles The Flexa has an improved

The Flexa has an improved back protection system

This is great

2 HP and 7 LP ports (fixed cap)

If you are under 80kg or will be doing long surface swims then it is generally recommended to opt for the Soft Flex

depending on which cylinders you are using:

Oceanic Shadow Dive Mask View Swimming Goggles The Flexa has an improvedOceanic's best selling mask, the Oceanic Shadow mask, is a frameless dive mask with a 100% liquid silicone skirt. The silicone facial is assembled directly on the glass without the need for a frame. This frameless system guarantees good visibility in all directions. The Shadow is a lightweight, low volume mask with an extremely wide field of vision. Because it's frameless, it packs flat and can be easily stored in a wetsuit or drysuit (or BCD) pocket