The Fusion 5/3 Freezip is based on our unique Freezip construction for easy entry. A combination of carefully selected materials to create one of the most versatile wetsuits available. Full stretch panels where you need it in Airflex 500+ limestone neoprene. Zodiac inside plush lining and windchill optimized chest and back panels to keep you warm. The freezip horizontal front zip enhances the freedom of movement and wetsuit stretch.