The difference between a good season and a great season? That’s often determined before the snow falls. A little time in the gym now will pay big dividends on the slopes later. And there’s still plenty of time to start. Because what you can’t do on skis has a lot to do with what you’re not doing in the gym. Here, we show you how to train for a variety of situations on the slopes: enduring big vertical, wrangling rough terrain, charging steeps, and attacking the trees with speed.