The FL3X Revolver Pro W is the preferred choice for freestyle skiers and is designed to handle anything you can throw at it. As the lightest freestyle boot on the market its no surprise riders flock to it. The Revolver Pro delivers reliable performance and comfort like nothing you&';ve ever experienced. Fit Last: 99mm - A slightly narrower than average fit for most feet Flex Flex: 100 - A medium stiff flex for advanced skiers Liner Intuition Pro Wrap Liner - Slip into the Intuition Pro Wrap, and experience unmatched ankle retention and pressure-free performance. Crafted out of IntuitionA(R) Foam, the Intuition Pro Wrap offers the added comfort and performance your boot is missing. Shell Materials & Design Fully Heat Moldable - Both the boot&';s shell and cuff are capable of being heat molded to a variety of foot shapes for a truly custom fit. Shell and Cuff - TPU (Thermoplastic Urethane) Buckles 3 Revolve Alloy Power Strap 35mm Velcro Strap Sole ISO 5355 Alpine Soles - (front is non-replaceable) Fully Heat-Moldable: Both the boot&';s shell and cuff are capable of being heat-molded to a variety of foot shapes for a true custom fit. Revolve Shell: Revolve Shell, offers the same fit and feel as the Raichle boots of years past, updated to withstand the rigors of today. Precise, snug, and proven, this 99mm last shell has become the definitive freestyle boot of the modern era. IntuitionA(R) Pro Wrap: Slip into the IntuitionA(R) Pro Wrap, and experience unmatched ankle retention and pressure-free performance. Crafted out of IntuitionA(R) Foam, the Intuition Pro Wrap offers the added comfort and performance your boot is missing.