Fourth Element Thermocline Vest - Mens Size:XL Primary Care Skills

Primary Care Skills

As at 24th April 2026

Halcyon V-weight pouch is designed to provide additional ballast to double cylinder divers and fits securely between the two cylinders and the backplate

O-ring tool

Versatile Design: Designed to excel in most diving conditions

Fourth Element Thermocline Vest - Mens Size:XL Primary Care SkillsFourth Element Thermocline Vest Mens The Fourth Element Thermocline Vest is designed to be worn under a wetsuit, this vest provides increased thermal protection of the body core by the equivalent of an extra 2 mm of neoprene, whilst being neutrally buoyant and maintaining the freedom of movement of the arms. But even though it has been designed to wear under a wetsuit it can be worn on its own with a pair of thermocline shorts or leggings. Great for