2026 O'Brien Siege w/ Z9 Boot + RTP Layer 3.12 Polycarbonate Frame

Polycarbonate Frame

This is then combined with the Balance 1300 front wing

Form-Fitted Toe-Cap

while the boa backhand closure allows for the perfect fit

ALL-SEASON  CONSTRUCTION 6 3/4 - 7 7 - 7 1/8 7 1/8 - 7 3/8 7 3/8 - 7 5/8 7 5/8 - 7 7/8 7 7/8 - 8 54 - 55

2026 O'Brien Siege w/ Z9 Boot + RTP Layer 3.12 Polycarbonate FrameThe O'Brien Siege is the waterski built to perform on a budget. Built with a forgiving fibreglass and polyurethane construction, O'Brien makes the Siege forgiving underfoot with a comfortable amount of flex to support skiing at beginner speeds but still stiff enough to turn a buoy in the course. The design principle on the shape of the Siege is designed to work with the core, creating a ski that will create edge turn and hold with ease while also