This is the Henderson 7mm Mens Greenprene Wetsuit Neoprene-free Eco-friendly Scuba Diving Wetsuit Features: Greenprene Sustainable, Insanely Warm, Super Stretchy, Ultra-Durable Insulating Foam Provides Excellent UV Resistance Significantly Lighter-In-Weight than Traditional Neoprene Materials 100% Neoprene Free Foam Tested & Approved by United States Department of Agriculture (USDA): Bio Preferred Program as USDA Biobased Product Formulated from Deproteinized Natural Insulating Foam Natural Additives: Sugar Cane, Plant Oils & Oyster Shells Sustainable Bio Based Insulating Foam: Ultra-Soft, Stretchy, Durable & Light Weight Suit Allows Diver to Move Freely w/o Restriction Keeps Diver Warm & Comfortable In-Most-Demanding-Conditions Exterior/Interior Laminates: Manufactured from Recycled Water Bottles 88% Recycled Polyester & 12% Spandex Tested AZO-Free & Oeko-Tex Certified Exterior: Recycled Aqua-Silk Fabric Laminate Tested & Selected for Durability, Abrasion, Hook & Loop FastenerResistance Fast-Drying Interior: The recycled Bio-Span Fabric Laminate Tested & Selected for Superior Comfort, Warmth & Ridiculous Stretch Nothing Else Like-It-In-the-Water Today Closure Dock (red): Helps Keep Hook & Loop Fastener from Attaching to Other Areas Protects Suit from Pilling Accenting Shoulder Graphics: Look Great & Help Protect Suit from BCD Wear & Tear Aqua-Silk Exterior: 250% Stretch & Extremely Pill & Abrasion Resistant Greenprene Wetsuit Program: Designed to Provide Fully Sustainable Product Lifecycle Packaged & Shipped in Recycled Cardboard Boxes Hand Wrapped w/Recycled Paper Recycled Cardboard Cores Help Prevent Compression Marks Hangtags Printed-On-Recycled Paper w/Soy-Based Inks Designed for Cold-Water Conditions 7mm Foam Material Easy Self-Donning/Doffing Rear Entry Zipper w/Pull Tab Leash Reinforced Knees Seams: Glued & Sewn for Strength & Durability Henderson is excited to introduce Greenprene®. Greenprene® is a sustainable, insanely warm, super stretchy, ultra-durable insulating foam that provides excellent UV resistance. Greenprene® is also significantly lighter in weight than traditional neoprene materials. Greenprene® is 100% neoprene free sustainable insulating foam. It has been tested and is approved by the United States Department of Agriculture (USDA) Bio Preferred® program as a USDA Biobased product. Greenprene® is formulated from deproteinized natural insulating foam 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. Greenprene® wetsuits will allow you to move freely without restriction while keeping you warm and comfortable in the most demanding conditions. "