The O'Brien Reactor Combos are a value-priced, truly classic pair of waterskis. O'Brien's most traditional pair of skis, the Reactors are a bit narrower overall and are more maneuverable and responsive on the water. They are easy to get up on, and with a dual tunnel design, they deliver smooth, stable performance that everyone can enjoy.• Length: 67" (170 cm)• 700 Bindings with pinch-slide adjustment for effortless entry• Foot Size: Men's US 4.5-13• Dual tunnel design slices through rough water for a smooth, stable ride• Nylon fins for great hold on the water are easy on the boat interior More maneuverable & responsive on the water Dual tunnel design delivers smooth, stable performance Nylon fins offer great hold on the water | O'Brien Reactor 67" Combo Waterskis