Riders of all levels and styles will appreciate the durability and versatility of the K2 Factor Snowboard boot. Responsive and comfortable with an easy mid-flex Vibram "Grip- Light" sole and Light-Fit liner the Factor is painless progression. Performance mobility and quality for everyone everywhere.Key Features of the K2 Factor Snowboarding Boots:Liner: Light-Fit linerTM with full height laces & easy grab lace slider.Sole: Vibram "Grip-Light" with full-length Phylon midsole.Lacing: Cast metal speed hooksDetails: 3D Formed tongue enhances fit and adds support.Materials: Reinforced full height synthetic leatherReinforcement: Synthetic leather toe cap and reinforced backstay