This pro model takes HEAD’s innovative use of new thermoplastic to a new level of absorption capabilities. The Raptor WCR 140S Pro has a 96-mm last, a deep heel pocket, a long toe box for toe articulation, and a Race Stance that allows skiers to remain more centered. Along with a FIS approved sole, the boot features Flex Performance tuning and Rear support tuning, with an adjustable flex of 150 to 140. The WCR Pro liner is customizable with Liquid Fit, an adjustable tongue, and a SL booster Velcro strap. Four micro-adjustable low-profile Spineflex buckles deliver an optimum athletic fit and responsive feel.Features:- Flex tuning- Cuff Alignment- Extended Toe Box- Rear support tuning- FIS approved sole thickness- Flat foam wedgeSpecifications:- Shell: PULiner: - WCR PRO LF- HP frame footbed- SL Velcro 53mm- Adj. TongueBuckles: - 4 screwed micro-adjustable Spineflex racing alloy buckles- Racing low profile bucklesTechnology:Liquid Fit:- The LIQUID FIT material provides the most precise and the quickest customization. The material’s density ensures the perfect mold in the most critical area of the boot, the ankle and heel pocket. It gives you the performance and precision of a foam liner, but as a liquid material, it is takes only 10 easy minutes to customize. PLEASE NOTE: A Liquid Fit ready boot must be customized at your local authorized dealer.