When considering the bevy of winter sporting options that are available to the casually entertained, a trip to the Rocky Mountains or the Swiss Alps comes to mind to go skiing. There is a lot of attire and gear that goes into a good skiing trip, but one of the more noteworthy pieces are the ski boots. These boots enable the rider to stabilize their feet in the center of the ski.
Ski boots prevent the rider from injuring their ankles and feet during the high intensity sport of skiing. In down hill skiing the capacity for injuring yourself is quite high and veteran skiers tend to blow out their knees by damaging their tendons which requires surgery and a life that is, after words, void of skiing. The boots enable the safe restrain of your feet while keeping them warm. All boots are insulated as with the rest of winter gear, to ensure that you stay warm in the climate that is by design less than 32 degrees Fahrenheit.
All in all, ski boots are a necessary and useful component to the sport of skiing because they stabilize your feet in the skis, secure your ankle from injury, and keep your feet warm while you enjoy the inherently chilly sport.