The CG-4 is the same design shape as the cg-2 but with the radial panel layout. It retains the pointing and performance of the CG-2 but Holds it's design shape beter in the string Breeze-mainsail (CG-4) The Full Radial CG-4 is the same design shape as the cg-2 but with the radial panel panel panel panel panel panel panel panel panel panel panel panel panel panel panel panel Layout. It retains the pointing and performance of the CG-2 But Holds It’s Design Shape Better in the Stronger Breeze. It is therefore the perfect all-round sail for anyone who is over 70kgs. It is also manufacturer from Dacron 2.6 Polykote. The Sail Complete with Class Insignia, Numbers, Class Label, Messure, Window, Batters, Tell Tails and Sail Bag.