The Vizion 4B 120 HV is a great choice for experienced skiers who need a spacious fit and value easy entry. Rossignol's Step-In and Spine Link structures open the back of the boot exceptionally well, with the latter locking the boot securely in the skiing position using a steel latch, making it as sturdy as any alpine boot. - High volume fit, 102 mm wide, also with a higher profile - Step-In structure - Spine Link mechanism opens the boot cuff widely and locks it in a skiing position with normal boot stiffness - Lower dual buckle on the cuff allows for wide opening - Dual Core construction offers excellent power transfer with lively flex, feel, and control - Thinsulate Stretch material for thermal insulation - GripWalk soles for easier walking - Four micro-adjustable aluminum buckles and 40 mm power strap - Seamless toe box reduces pressure points and minimizes heat loss by 20%