The K2 Men's BFC 100 Heat GripWalk Ski Boots are packed with great features that make them the most comfortable boots youll ever wear. Easy to get into? Check. Comfortable? Yep. Loaded with customizable features? Better believe it. It even can be strung up with a Thermic® Heated Liner. What else do you need to know? If you need a mid-flexing high volume boot, the K2 BFC 100 Ski Boots check all the boxes.