The Drylock is one of the most high performance wetsuits. It has Thermo Dry Celliant which recycles your body heat into infrared energy. It is also the only full suit with a 100% waterproof zipper. Fusionweld technology is the most durable, stitch-free, maximum all-way stretch seam construction available. A Quick Dry Fiber exterior and Drylock wrist seals make this suit one of the most innovative.