A thief is less likely to take an unmatched pair of skis. Bring quarters for the lockers and ski storage. Safety Frostbite and hypothermia are possible if you're not careful. If you are cold, stop by the lodge for a quick warm up. The cold really zaps your energy and frostbite is painful.
Good equipment is important for good health.
Ski bindings must be in good working condition. Leg and knee injuries occur when ski bindings don't release when they should. Altitude sickness is real. Rapid altitude changes and dehydration are the most common causes, so drink lots of water. In mild cases you'll have a case of the blahs, low energy.