Elevate Sensations And Turn Up The Speed With A Performance Core.Designed In Collaboration With SalomonS Fast Collective, SMax Boots Are A Radical New Way Of Building Boots.Coreframe Construction Uses A Thinner Shell With An Internal Frame Reinforecment, Making SMax Lighter, More Agile, And More Sensitive Than Anything Out There.YouLl Feel Your Edges And Terrain Variations Like Never Before.And The Fit Is Completely Customizable, With A Pre-Shaped Seamless Liner And New Custom Shell Hd Molding Process In Just Ten Minutes.Features:-Precise Transmission :The New Coreframe Construction Uses A Thinner Walled Sensitive Shell, Reinforced With A Xecarb Coreframe, To Deliver Both Improved Terrain Feedback And Power Transmission To The Edges.-Fit :A Totally New, Pre-Shaped And Seamless Liner Improves Comfort, And The New Custom Shell Hd Enables A Completely Customized Fit In Just 10 Minutes.-Sensitivity :Sensitive Shell Technology Offers Unprecedented Snow-Feel, And Sense Amplifier With 2 Position Strap Let You Select Your Level Of Power And Rebound.Technologies:Custom Shell Hd.- Xecarb Coreframe.Shell Cuff:Pu + Kaprolene Lower Shell Material.- Pu Sense Amplifier.- Pu Cuff.Liners:Seamless Race .Buckles:Adjustment:24Mm Screwed Oversized Pivot.- 4Mm Integrated Lifter.Specifications:- Custom Shell Technology:Yes.- Ski Walk Mechanism:No.- Tech Inserts:No.- Width:- Narrow.- Weight (G):- 1780.- Customizable Fit:- 66.- Stiffness:- 66.