Ski technology these days seems to move at lightning speed—just when you’ve gotten a new pair of skis, some fancy, new technology hits the market to rave reviews. It’s hard to keep up. But when you see where skis have come from, you’ll learn that, in fact, they’ve been constantly evolving since the beginning. Over the past few decades, innovations in shape and materials have literally changed the way we slide down snow. Here’s where skis started, the biggest innovations in skiing’s history, and a preview of what’s next for the future of ski technology.