Greenprene(TM) Insulating Foam GreenpreneA(R) is a sustainable, insanely warm, super stretchy, ultra-durable insulating foam that provides excellent UV resistance. GreenpreneA(R) is also significantly lighter in weight than traditional neoprene materials. GreenpreneA(R) is 100% neoprene free sustainable insulating foam. It has been tested and is approved by the United States Department of Agriculture (USDA) Bio PreferredA(R) program as a USDA Biobased product. GreenpreneA(R) is formulated from deproteinized natural rubber along with other natural additives such as sugar cane, plant oils and oyster shells. The result is a sustainable Bio Based insulating foam that is ultra-soft, stretchy, durable and light weight. GreenpreneA(R) wetsuits will allow you to move freely without restriction while keeping you warm and comfortable in the most demanding conditions. FABRIC LAMINATES EXTERIOR - The recycled AQUA-SILK A(R) exterior fabric laminate is manufactured from recycled water bottles. The fabric was tested and selected for its durability, abrasion and VelcroA(R) resistance as well as its fast drying properties. The fabric is made from (88% recycled polyester and 12% spandex), which has been tested AZO-free and Oeko-tex certified. INTERIOR - The recycled BIO-SPANA(R) fabric laminate is manufactured from recycled water bottles. The fabric was tested and selected for its superior comfort, warmth and ridiculous stretch. There is simply nothing else like it in the water today. The fabric is made from (88% recycled polyester and 12% Nylon), which has been tested AZO-free and is Oeko-tex certified. NEOPRENE ALLERGIES AND SENSITIVITIES. Allergic reactions from wetsuit use can be caused by a wide variety of materials that go into building a wetsuit and ultimately contacting your skin. Allergic reactions that are caused from Neoprene may not present themselves when using GreenpreneA(R) wetsuits, the only way to confirm this is to consult with your doctor and do a test. Could GreenpreneA(R) be you answer you have been looking for? Test to find out! Here&';s how: contact your Henderson dealer or send an email to info@hendersonusa.com to request a sample of GreenpreneA(R). Henderson will provide a wrist cuff made from GreenpreneA(R) that under your physician&';s guidance, can be worn on your wrist and arm. Your doctor can recommend and determine if GreenpreneA(R) may be a good solution to your allergy or sensitivity. GreenpreneA(R) could very well be the answer you&';ve been looking for! a Made with GREENPRENEA(R) 100% neoprene-free sustainable insulating foam. Third party testedand approved by the United States Department of Agriculture (USDA) Bio PreferredA(R) program asa USDA Biobased product.a Bio-Span(TM) interior fabric laminate is made from recycled water bottlesa Aqua Silk(TM) exterior fabric laminate is ultra durable, abrasion and VelcroA(R) resistanta Anatomical fit and patterns that have been proven in the Henderson patterna Exclusive Flow Vent(TM) purge valve in top of hood