2026 O'Brien Siege w/ Z9 Boot + RTP

2026 O'Brien Siege w/ Z9 Boot + RTPThe 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

Waterski Features

Rocker

• Flat Spot - Underneath your front foot gives you comfort and stability while also propping you up higher on a platform for control throughout your entire motion from cut to turn.
• Continuous Rocker - Through the tip and tail allows the ski to always provide a constant level of speed across the wash and allows for a smooth, comfortable turn, drive through the wash, while still having the ability to easily keep that speed into your leading edge.

Flex

• Flex Rating(1=Soft, 10=Stiff) - 5/10

Core

• Closed Cell PU Core – The most well-known core in waterskiing, with a tighter knit construction to reduce weight while remaining durable and providing a slightly softer feel meaning you can ski for longer, feeling less tired, while also getting more flex into turns and less rebound when crossing the wash

Laminates

• Fibreglass Laminates – The most forgiving top layer you can get, a simple fibreglass laminate allows the ski to provide a comfortable flex and smooth arcing turns.

Shape

• Small Defined Edge Bevel - This makes it easier to turn and lean into your edges and hold the edge through the wash.
  

Concave

• Rapid Response Tunnel - O'Briens signature tunnel shape designed to transition from edge to edge with ease and create easier hold through the turns
  

Other Features:

• Polished Speed Base - All about promoting greater water flow across the base of the ski to ultimately reduce drag
• Aluminium Adjustable Drop-In Fin

Level

• Riding Ability: Intermediate
• Ski Type: Cross-Over
• Ski Speeds: 32-34Mph

Size

• (66") - Up to 71Kgs
• (67.5") - 68Kgs to 88Kgs
• (69") - 84Kgs to 102Kgs

Warranty

• Limited Lifetime Manufacturer Warranty

Boot Features

Flex

• Mid Flex

Fit

• Plush EVA Footbed - Provides comfort underfoot so that you can ski all day long.
• Floating Toe - This allows for easy step-in entry as well as greater closure over the foot.

Liner & Lacing

• Neoprene lined - Sit snugly around your foot to maximise comfort
• Dual Zone Lacing

Baseplate

• Superlight Baseplate - Less weight, more powerful

Warranty

• 1 Year Manufacturer Warranty