How does the Vizion 4B step-in system work?

The Spine Link mechanism at the back of the boot opens the cuff wide when released, letting your foot slide straight in. Pull the lever up to lock the steel spine into ski position. No need to fight overlapping shells — the boot opens like a slipper and locks like a race boot.

Does the step-in design compromise ski performance?

No. When locked, the bi-injected spoiler creates a rigid seal equivalent to a traditional overlap boot. Dual Core technology provides targeted power transmission. On snow, it skis like any high-end 120-flex piste boot.

What is the difference between Vizion 4B Pro 120 MV and Vizion 4B 120 HV?

The Pro 120 MV has a 100mm medium-volume last for a more precise fit. The 4B 120 HV has a wider last for high-volume feet. Same step-in technology, different foot shape targets.

On Sale

Rossignol

VIZION 4B PRO 120 MV GW-MT BL

$524.30$749.00

Final Sale30% OFF

This item is over 30% off and non-returnable.

All sales are final. Returns or exchanges only accepted for manufacturer defects, shipping errors, or damage in transit.

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Boots Return Policy

All boots are subject to a 5% restocking fee if returned. Please ensure correct sizing before purchasing — contact us for help with fit.

size: 27.5

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Description

The Rossignol Vizion 4B Pro 120 MV ski boots are a true game changer, delivering the high-performance of traditional 4-buckle piste boots, but with an incredibly easy entry system. Designed for skiers seeking a medium-volume boot that offers both performance and unmatched convenience, this boot features Step-In Technology. This innovative design combines a traditional overlap shell that opens wide at the back with a rigid spoiler to maintain the fit and support of a performance boot.

The double-buckle system effortlessly unlocks the cuff for quick entry and exit, making it easier than ever to get in and out of your boots. The liner is specifically designed for this revolutionary concept and is fully customizable to ensure a perfect fit.

Choose the Vizion 4B Pro 120 MV and experience a revolution in skiing comfort and performance.

Flex	120
Last Width	100mm (MV)
Weight	~4,750g per pair
Shell	Overlap with Steel Spine Link
GripWalk	Yes (premounted)
Buckles	4 flat aluminum Double Buckle
Best For	Advanced-Expert — top-tier Vizion performance

Details

Type: Ski Boots
Vendor: Rossignol
SKU: RBN7032

PTO ReviewSki Boots

Rossignol Vizion 4B Pro 120 MV GW

Vizion 4B family · 25/26Walk Mode

Flex 120

Very Stiff

60708090100110120130

SofterStiffer

Last Width

100mm— Medium (100–101mm)

The Vizion 4B Pro 120 is Rossignol's flagship step-in boot, and it solves the oldest problem in skiing: getting into a stiff, performance boot without a 10-minute wrestling match. The Spine Link mechanism opens the back of the boot wide for slipper-like entry, then locks down with rigid PU support and a bi-injected spoiler that seals tight. Once locked, it skis like a traditional overlap boot — the Dual Core shell delivers targeted power transmission and the 100mm medium-volume last holds your foot precisely.

At $524 it's a premium investment, but you're paying for innovative engineering. The GripWalk sole comes pre-mounted, walk mode gives you mobility off-snow, and the flex 120 is stiff enough for strong advanced skiers pushing hard on-piste. If you've avoided stiff boots because of entry/exit pain, this changes the equation.

Strengths

+Spine Link step-in system — hands-free entry and exit, hands-free convenience
+Dual Core shell delivers race-level power transfer when locked down
+GripWalk pre-mounted + walk mode for genuine off-snow mobility

Best For

Advanced medium-volume skiers who want top-tier on-piste performance with effortless step-in entry.

Limitations

−Premium price at $524 — the step-in tech comes at a cost
−Spine Link mechanism adds complexity vs. a traditional overlap boot
−100mm last may be snug for wide feet — consider the Vizion 4B 100 HV (104mm)

Not For

Budget-conscious buyers, wide-footed skiers (look at the 4B 100 HV GW), or skiers who prefer a proven traditional overlap design.

Common Questions

How does the Vizion 4B step-in system work?: The Spine Link mechanism at the back of the boot opens the cuff wide when released, letting your foot slide straight in. Pull the lever up to lock the steel spine into ski position. No need to fight overlapping shells — the boot opens like a slipper and locks like a race boot.
Does the step-in design compromise ski performance?: No. When locked, the bi-injected spoiler creates a rigid seal equivalent to a traditional overlap boot. Dual Core technology provides targeted power transmission. On snow, it skis like any high-end 120-flex piste boot.
What is the difference between Vizion 4B Pro 120 MV and Vizion 4B 120 HV?: The Pro 120 MV has a 100mm medium-volume last for a more precise fit. The 4B 120 HV has a wider last for high-volume feet. Same step-in technology, different foot shape targets.