The fans of the SolaFx will not be disappointed by the new Solaflex. The Solaflex remains Aqualung&';s most advanced wetsuit by keeping the previous unique features and fit and by improving the warmth. In addition to its 8mm torso and 7mm arms and legs, this new updated version incorporates a fleece liner to provide extra warmth. As with all Aqualung&';s wetsuits, it has environmentally-friendly features, such as non-P.A.H. (Polycyclic Aromatic Hydrocarbons) neoprene. Unique designs are specially tailored for men and women. Super stretch 8/7mm neoprene (petroleum free) for maximum comfort and freedom of movement Canadian cuff Liquid fusion seam technology Water dam covers neck and shoulder for extra protection Warm fleece liner Powertex knee protection