Fourthelement Tech Fins Blue Ultra Dry the Lifeline comes in three

the Lifeline comes in three sizes and colours and is complemented by a range of line markers and cookies

ALUMINIUM OUTER RING

To mark the occasion

- The most common material is NBR (Nitrile-Butadiene Rubber)

Fourthelement Tech Fins Blue Ultra Dry the Lifeline comes in threeA classic vented fin, redesigned to maximise performance. Utilising natural rubber in a unique density gradient, this fin delivers a comfortable foot pocket combined with optimised stiffness for finning performance. The vented design allows water to flow along the blade reducing drag and fatigue, whilst the stiffening rails and ribs ensure that the blade of the fin is driven through the water to maximise the return on effort. The Tech Fins were