The Vortex is O’Brien’s Big-Daddy” wide-body pair, designed for super-easy deep-water starts and big, carving turns. The extra surface area reduces drag and provides a huge amount of lift” to get larger skiers up on plane. The large surface area also allows for skiing at a slower boat speed with less effort. If in doubt about getting up on a pair of skis, go with the Vortex Combos. They’re as close to a sure bet as you’ll find. Skies measure 65.5″ (166 cm) in length, have a plastic fin, and are equipped with O’Brien’s X7 Adjustable Bindings. Skies fit a wide range of men’s foot sizes and are available in multiple colors.