Fourth Element Women's Proteus II 3mm wetsuitFourth Element Women's Proteus II 3mm wetsuit The Fourth Element Women's Proteus II 3mm wetsuit is arguably the highest performing wetsuit on the market. Available in 3mm and 5mm, the Proteus II is often the benchmark to which other suits are compared in terms of warmth. By combining the Hydrolock inner neck seal and the Glideskin wrist seals, water ingress is minimised. Seams are double glued, blind stitched and taped to provide outstanding thermal