O'Brien Siege Slalom Water Ski. The item "O'Brien Siege Slalom Water Ski" is in sale since Monday, August 23, 2021. This item is in the category "Sporting Goods\Water Sports\Wakeboarding & Waterskiing\Waterskis". The seller is "shellmeisters" and is located in Pottsville, Pennsylvania. This item can be shipped to United States.