It's made of sturdy material and there are many useful pockets. Some may complain that it may be kind of small, but it depends on what you use it for. What do you need to carry on the slopes anyway? Extra clothes, water, granola bars, etc. all fit in there nicely. The best feature is probably the insulated sleeve for your hydration pack hose.
Straps are too long and can get caught on chair lifts.