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O’Brien Jr Siege Slalom Ski w/ Z9 Bindings and Rear Toe Plate

Developed for progressive youth groms, the O’Brien Jr Siege slalom ski incorporates a 59-inch fiberglass composite layup and tunnel concave hull with a junior Z9 boot for fast edge-to-edge course progression.

  • Fifty-nine inch length matches youth leverage
  • Tunnel concave hull delivers instant stability
  • Smaller defined bevels sharpen turning response
  • Z9 junior boot cushions developing joints
  • ARC aluminum fin allows position tuning
$200.38
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Category: Brand: SKU: OBR-JR-SIEGE-Z9-RTP
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Junior groms looking to master sharp tournament cuts can accelerate their skill building using the O’Brien Jr Siege Slalom Ski w/ Z9 Bindings and Rear Toe Plate package setup. O’Brien custom-scaled this junior high-performance platform directly from the legendary Sixam 2.0 geometry to balance out smaller body mechanics. Youth athletes gain immediate forward momentum, shedding drag behind the boat while executing fast edge-to-edge transitions. The smaller defined bevels maximize roll stability, keeping your tight carves secure and predictable. Edge hold remains absolute. Velocity stays maxed.

The structural foundation relies on a lightweight closed-cell polyurethane foam core wrapped inside a high-strength fiberglass layup with a high-gloss UV protective top finish. This responsive composite core snaps out of turns with immense power, transferring your child’s raw foot movement directly into the stainless steel slalom metric fasteners for immediate deck awareness. Skiers checking tournament tracking fin boxes often cross-reference these junior specs against our selection of adjustable single boot slalom skis to verify position tuning. Adjustable A.R.C. aluminum fin blocks handle setups.

Junior Front Boot Fit & Tournament Slalom Course Progression

This competition-grade junior setup rules behind tournament boats, comfortably supporting growing riders up to 120 lbs at target boat speed ranges between 20 to 32 MPH. The classic rear toe plate imbeds a contoured rubber footbed pad, letting youth athletes drop their back foot onto a raw base for direct steering awareness.

Our pro shop crew monitored youth carvers testing this 59-inch junior package on a tight buoy course. The entry velocity is incredibly smooth for lightweight kids, helping them stop wasting energy on the wake approach. The front single-lace system is highly effective; the kids tightened their own boots on the platform while the low-cut flexible ankle cuff let them pivot cleanly without heel lifting.

Why Choose O’Brien Jr Siege Slalom Ski w/ Z9 Bindings and Rear Toe Plate

Forcing an advanced child to ride a heavy, unreinforced entry-level ski limits their turn radius and causes hard crashes when crossing thick wake wash. The Junior Siege combination prevents this progression barrier by matching a high-volume concave hull with an ultra-adjustable front boot framework, giving your child a safe, long-term summer investment.

Factory Warranty & Professional Care Guidelines

O’Brien protects this premium youth package with an official 1 Year Limited Manufacturer Warranty covering material and bonding defects. To protect the form-fitting properties of the Lyra-lined liner and keep the high-gloss UV finish fresh, clear off lake muck with fresh water. Store it dry.

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Free standard delivery to the United States, Canada and Australia.

Product Support

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