Fourth Element Thermocline

About

Discover the Fourth Element Thermocline range — the world-leading neoprene-free thermal protection designed for diving , snorkelling , and open-water adventures . Enjoy the warmth of a 2–3mm wetsuit with the comfort and flexibility of a rash vest , made using sustainable, recycled fabrics that dry fast and pack light. Ideal for travelling divers , freedivers , photographers , and those needing reliable warm-water insulation without the bulk. Pair Thermocline tops, leggings, vests and hoodies for custom layering , excellent buoyancy control , and unmatched freedom of movement .