By Andrew Ingold
Moment Siren 104
Overview
The Siren 104 is a directional freeride ski with a 104 mm waist, shallow tip rocker, camber underfoot and an exaggerated kicked tail. It’s built as a relatively stiff, speed-minded platform that carries freestyle DNA — a poppy wood core and lively tail — while remaining composed thanks to carbon/tri-axial laminates and VDS damping. Offered in 164, 170 and 176 cm lengths, the Siren 104 targets skiers who want big carved turns, confident edge hold on hardpack and usable float in softer snow without committing to a full powder shape.
Construction and specifications explained
Construction blends a full-length poplar/pine core (knot-free, vertically laminated) with extruded ABS sidewalls, a carbon plus triaxial fiberglass layup, a 7500-series carbon-infused sintered UHMWPE base and VDS rubberized damping foil. 2.2 mm Euro edges add durability. Tip/waist/tail of 137/104/124 mm gives a balance between float and edgeability; turn radius (15–16.5 m) dictates the intended turn size; effective edge and per-pair weight influence grip, swing weight and responsiveness on firm snow.
On-snow behavior
On snow the Siren 104 feels precise and energetic: camber underfoot provides strong edge hold and rebound, while the mild tip rocker helps turn initiation and soft-snow flotation. The kicked-up tail is excellent for slashes, tail presses and gives pop for airs. At speed it stays composed and damp thanks to the carbon layup and VDS, though the 104 mm waist won’t match true powder skis in deep snow. In choppy or variable conditions it remains surprisingly predictable and confident for a relatively playful-shaping ski.
Strengths and trade-offs
Key strengths are carve performance, lively pop from the wood core and composure at speed due to the carbon/tri-axial layup and VDS damping. The exaggerated tail opens up creative skiing — slash turns and presses come naturally. Trade-offs include a fairly stiff flex that can feel demanding for lighter or less technical skiers, and limited deep-snow float compared with wider freeride models. Weight is moderate but climbs in the 176 cm length and may be noticeable on long hike approaches or park laps.
Who this ski is for and alternatives
This ski is best suited for advanced to expert freeride or all-mountain skiers who want a stiff, fast and playful platform for long arcs, confident carving and occasional soft-snow days. Choose 164 cm for nimble, playful use and park/urban creativity, 170 cm for balanced all-mountain performance, and 176 cm for high-speed stability and longer turns. If you need more float, look toward 110+ mm waists; if you want a more forgiving ride, consider softer-flexing 102–104 mm models.
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