Conditions dependent, you split your time pretty evenly between the ski resort and the backcountry, which means you need gear that's tough and waterproof enough for the pounding of tram laps and storm skiing inbounds but won't sweat out on a climb on those days you decide to earn your turns. Here, we opt for fabrics and features that do double duty, like jacket powder skirts you can zip out or bib pants made for versatile pursuits.