Full Dacron rigs with an viny window, these rigs are made too last. Made out of Dacron sail cloth material which is long lasting and durable in combination with a two piece epoxy mast and a easymount boom. Every sail size has a fix color which is also very helpful in schools. Sails are made with three full length battens. The whole rig, including adapter, ropeset and uphaul is packaged in a heavy duty tailored bag for easy travel and storage. The biggest sizes 5.0, 5.5 and 6.0 feature a full size SDM epoxy mast and a vario boom which is made to withstand the biggest surf.