Featherlight feel. All-day comfort. Total progression.
The Union Rosa bindings are designed for riders ready to level up their skills with confidence and ease. Perfect for beginners and intermediates, these soft-flexing, ultra-light bindings deliver smooth turns, cushy landings, and a forgiving feel that's ideal for learning and progression. The newly upgraded TS 1.0 Ultragrip Toe Strap adds even more comfort and boot hold, so you can focus on the ride, not your gear.
From groomers to your first park laps, the Rosa offers premium performance without the premium price tag.
Product Details
Flex
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Flex Rating – 4/10: Soft and forgiving, ideal for newer riders or those who want a looser, more playful feel.
Baseplate
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Stage 8 | Duraflex Baseplate: Union’s lightest baseplate ever—built to reduce weight without sacrificing strength. Compatible with all major mounting systems right out of the box.
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Extruded 3D Aluminum Heelcups: Incredibly strong and durable, these heelcups provide excellent heel hold and minimize drag.
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Thermoformed EVA Bushing: Helps absorb impact and ensures a smooth, even board flex for a more natural ride.
Highback
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Stage 12 | Duraflex Highback: Lightweight and tough, engineered for reliable flex and performance in cold temps. Great for freestyle or all-mountain riding.
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Tool-less FLAD: Easily adjust your forward lean on the go—no tools required.
Straps
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Forma Ankle Strap: Structured for quick response on the outside, with padded comfort on the inside for all-day support.
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TS 1.0 Ultragrip Toe Strap: Soft, secure, and adaptable to any boot shape for consistent hold and comfort.
Buckles
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Aluminum Ratchets: Fast, smooth, and durable—easy in, easy out, and built to last season after season.
Additional Features
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Grade 8.8 Steel Hardware: The strongest steel available for max reliability.
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Universal Mounting Disk: Fits 4x4, 4x2, and Channel™ systems.
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Snap Fit Disk Cover: Keeps your hardware protected and the base of your binding clean.
Specs
Ability Level: Beginner-Intermediate
Flex Rating: Medium
Binding Style: Strap
Binding Mount Pattern: 2x4, 4x4, Burton 3D, Channel
Athletes: Alexa McCarty
Warranty: Limited Lifetime (Baseplates & Heelcups), 1 Year (All Other Parts)