WARMTH & STRETCH Vissla"s warmest and most watertight suit featuring. I-Foam Premium- the lightest weight warmest & stretchiest Japanese limestone based neoprene available; significantly less weight enhanced flexibility and superior comfort. Full body hollow fiber Brain Fuzz lining insulates heat and dries fast. Upcycled Nylon XTEND exterior fabric: Eco-friendly lighter flexible anti-fade stretch jersey made by Bluesign approved mills. Dope Dyed Fabric- A softer eco-friendly anti-fade made by Bluesign approved mills. AquaA eco-friendly water-based lamination is completely solvent free with no harmful chemicals. FIT. New improved fit for better range of motion - anatomically engineered body lines with minimal seams for unrestricted performance and warmth. DURABLE & WATERTIGHT. PK S-LOCK Watertight Zipper Chest-zip entry with Cris-X interior panels for easy entry and minimal bulk with a perfect fit. Chest-zip entry also includes Male and Female channel barrier to prevent flushing our most watertight design. Power Seam is an advanced flexible waterproofing sealant used on the outside of the seams except arms for added warmth and durability Vissla super stretch Neo 2.0 tape inside allows for maximum seam sealing while having unrestricted stretch and comfort. Tripled glued double blind stitched seams Smoothy Panels - Wind & water-repellent - Smoothy panels on front and back act as a barrier against the wind & cold where it's needed the most. Easy access secure key cord. Knee pad Upcycled Supratex abrasion resistant for flexibility and strength. Liquid tape cuff seals to prevent flushing at cuffs. Glideskin on the neck seals to skin to prevent flushing.