Vissla North Seas 5.5-4.5 Full Hooded Chest Zip WetsuitNorth Seas 5. 5 4. 5 Full Hooded Chest Zip Wetsuit NORTH SEAS WETSUITS Ultimate Warmth in the Coldest Conditions Completely redesigned for 2022 with for easy of entry and to maximize flexibility without losing warmth. Less panels to create even more stretch, comfort, warmth. + WARMTH & STRETCH Visslas warmest and most water tight suit featuring: I Foam Premium the lightest weight, warmest & stretchiest Japanese limestone based neoprene available;