Year after year, the Salomon X Pro 120 Ski Boots are some of the best selling boots on the wall at evo. Is it the great out of the box fit? The Custom Shell heat customization? Great ski performance in any conditions? Yes, yes, and yes. Good things eventually come to an end, but the Salomon X Pro 120 shows no signs of an early demise. Still, better to lock in a pair now if you need a pair of great boots...Fit: Last: 100 mm – An average last for most normal width and volume feet or slightly wider. Last can be expanded up to 6mm with heat molding (e.g. 100mm to 106mm). 360? Custom Shell – Salomons proven heat customization process lets you dial in the fit perfectly.Flex: 120 – A stiff flex suitable for advanced to expert level skiersLiner: My CustomFit 3D Liner – Superior heel hold and new anti-packing foam.Shell Materials & Design: TwinFrame Technology – Salomon dials in just the right amount of rigidity where its needed for performance and leaves the shell softer in other areas to enhance comfort and ease of entry. Shell – Polyurethane. Cuff – PolyurethaneStance: 24mm Oversized Pivot – Reduced play for extreme precision and direct power transmission. Because many modern all mountain skis are wider, they require more torque to stay on edge. Oversized Pivot answers the need of wider skis.Buckles: 4 Micro-Adjusting Aluminum 3D Buckles.Power Strap: 45mm Velcro StrapSole: Heel & Toe Removable Sole Pads – Heel and toe pads can be replaced when worn out.