Narval Wetsuits - Limestone sourced rubber has uncommon specificiations: Nitrogen gas blown rubber that increases the insulation of the wetsuit, making it Warmer. A 23% higher closed-cell structure than oil derived neoprene,
O'Neill Wetsuits Men's Epic 4/3mm Back Zip Full Wetsuit, Black/Oil/Smoke, Large : Amazon.in: Clothing & Accessories