2026 O'Brien Jr. Siege w/ Z9 Boot + RTP 145cm Radar's Vector ARTP is built

Radar's Vector ARTP is built around providing support for the front boot

an Amara palm adds support and comfort in your hand

Deep Molded Quad Fins - Providing a smoother

it has flush-loc seams and a water-resistant chest pocket for your car keys

2026 O'Brien Jr. Siege w/ Z9 Boot + RTP 145cm Radar's Vector ARTP is builtThe O'Brien Jr. Siege is the waterski built for any kid, from the fearless daredevil who's going to be burning turns within the first few days to those who like to take their time. Built with a forgiving fibreglass and polyurethane construction, O'Brien makes the Jr. 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