Après-ski is an important social tradition that celebrates ski culture. No dress code is required for après-ski; skiers often head straight from the slopes to the bar. Top après-ski destinations include the lively Chamonix in France and Aspen-Snowmass in Colorado. We've all been there—your group gets separated on the slopes because everyone has different ski abilities, but later reunites over drinks, light bites, and stories of your epic day on the mountain. That's what après-ski is all about, but there are some rules to remember regarding attire (keep it casual and comfortable) and certain practices to avoid, like bringing your skis inside or walking around in smelly socks. Here's a quick refresher on the ins and outs of this imperative part of the ski day, and where to find the best après-ski scenes worldwide. What Is Après-ski? SolStock / Getty Images Après-ski, French for "after ski," is a catch-all phrase that marks the shift from leg-burning ski runs to the social activities that follow.…