Breath diving is an extreme sport (1 in 5.000 dives ends in death) and requires good fitness as well as superior equipment that saves energy and provides safety. The solution developed by IN Composite is called the Cetus modular fin system, which enables quick replacement of fin parts according to user weight, dive type and depth. As a result, the company provides complete customization for each user, security and provides users the ability to make the adjustments themselves. IN Composite describes its main competitive advantage as uniqueness: their own development, cooperation with end users, complete product flexibility and system modularity.

At the same time, the company also develops harpoons for spearfishing with a completely innovative product concept with greater range, easier handling and full adaptability according to the needs of the user.