With an ergonomic and innovative design

the snorkel itself is not made from carbon fibre

M makes sense for stronger divers who want more resistance and depth performance

What do I need for a complete line-diving setup

Why choose the C4 Wolverine

Double K - Equal Vent - Equalization Trainer wetsuit With an ergonomic and innovativeDouble K Equal Vent PRE ORDER NOW! (delivery ~ end. August) The Double K Equal Vent is a compact equalization training tool for freedivers who want to practise pressure equalization outside the water. It is especially useful for divers working on Frenzel equalization, tongue control and dry equalization awareness. Equalization is one of the most common limiting factors in freediving. Many problems are not caused by depth itself, but by tension, poor