I've had this jacket for about four years, but I'll preface by saying it's one of my many jackets—it doesn't quite meet every need for me. To start, it insulates very well and I love how I can take this jacket out in any cold temperature and I know I'll be warm. There's also a lot of convenient zippers for phones and other important items. The hood makes a big difference too, especially if it's windy out (and it fits perfectly over your helmet!). However, this is not a jacket I take out if it's sunny and remotely warm. There are vents under the arms, but I feel like those don't do a ton for the jacket. I've had to ski down and change jackets because this one doesn't accommodate well to a wide range of changing temperatures, opting to grab a lighter shell. This jacket also is waterproof, but I've come back from a day of deep, wet powder skiing and had the jacket almost soaked through. I'd recommend something more attuned to that over this jacket if you're looking for something to take with you through the steep and deep.