Sooruz 5/4/3mm Chest Zip Green Line Bioprene VåddragtOur most eco responsible wetsuit. Its Biprene foam is composed of a mix of oyster shell powder, natural rubber, sugar cane waste and non food vegetable oil. (60% bio sourced) Its flexibility is similar to the Fighter with a higher level of finition. The seams are reinforced with ultra flexible neoprene strips which optimize the durability and warmth of the suit. Our inner lining on the belly and back will maintain your natural body temperature. Chest