The material G5 Natural rubbers is a green and natural material which does not use petroleum compounds, totally neoprene-free and greatly reduces carbon emissions, prevent some exercise partners from becoming allergic to glue or nylon. Reaching harmless standards for the human body; Replacing the previous petroleum synthetic rubber.They’re made with 85% natural rubber/15% synthetic rubber by polymer content. The natural rubber is from sources that are Forest Stewardship Council® certified by the Rainforest Alliance. Choose G5 Super stretch Natural Rubber fullsuits, neoprene-free, harmless wetsuits of every moment in surfing, diving. G5 natural rubber wetsuits, you worth it. The Womens 5/4mm Back Zip fullbody Wetsuit is designed Premium 5/4mm for cold water surfing and water sports. It features a back zip entry system, and the material is Natural Rubber instead of the traditional harmful neoprene. The workmanshi…