A high-performance, neoprene-free 4.5mm/3.5mm wetsuit made of 85% Yulex® natural rubber and 15% synthetic rubber, featuring a recycled nylon lining. The natural rubber is sourced from Forest Stewardship Council® (FSC) certified suppliers by Preferred by Natureâ¢. Ideal for water temperatures between 48°â55°F (9°â13°C). Produced in a Fair Trade Certified⢠factory.