The S220 easily accommodates 14 people in an interior that oozes luxury because its Comfort Strong Marine Vinyl by Spradling has the strength of a 17-mil top and is sewn together with indestructible Gore Tenera thread by GORETEX. The proven EZ-V hull design offers as much as 4400 pounds of ballast in six independently pumped ballast locations. It helps you create a surfable wave the first time you are on the water. The Supreme Shine Tower (SST) is made of stainless steel in the USA.