The Vissla Seven Seas is a great balance between warmth and price! The eco-friendly neoprene is 100% Super stretch Japanese limestone-based. Making this suit lighter, warmer, softer, stretchier, easier to put on and take off, and allows for more freedom of movement. Their full body Thermal Fever Fiber lining comes with more stretch, insulates heat, and dries incredibly fast. The legs feature their Eco Fiber stretch thermal for warmth and movement. Vissla made this a tailored fit with anatomically correct engineered body lines to allow for unrestricted performance and warmth. Vissla's super stretch Neo 3.0 tape allows for maximum seam sealing while having unrestricted stretch and comfort. Smoothy panels on the back acts as a barrier against the cold where it's needed the most. This suit is made with eco-friendly, anti-fade stretch jersey laminated with AquaA eco-friendly water-based lamination is completely solvent free.