The suit is made of an extremely flexible neoprene with unique compression around the core. 4 mm air cell panel on the front gives you optimum buoyancy and ideal water position. 3 mm panels below the knee for a more effective leg kick and 1.5 mm around arms and shoulders for great flexibility and movement. New low neck profile for great comfort. The new HEAD Arrow arm panels maximizes the stroke effect. Glide skin coating provides minimum resistance through water. Reverse zipper enhances neck comfort and improves the reliability in the water and reduces the transition time in triathlon.