Mandi E says:

defenetly underarmor or long johns, gloves, lots of socks cause you will sweat and if your socks are wet then you will be more cold. You will also need goggles or sun glasses cause the sun in more intense at the high altitudes and sun block

Holly at Travelocity says:

The key thing to remember when packing clothes for a ski or snowboard vacation is this: layer, layer, layer.

You don’t want to be wearing a bulky sweater or jacket, only to find that you’re a little too warm but can’t take it off because you only have a t-shirt underneath. Therefore, you want to bring lots of thin, warm layers that you can peel on and off as necessary. As an added bonus, this means your suitcase will probably be a little less jam-packed! Thin long-sleeved t-shirts are easier to pack and fold than big bulky sweaters.

So clothes-wise, count on a good thermal undershirt to start (these days, they’re made of out super-thin microfiber material, rather than bulky waffle-weave), some t-shirts and long-sleeved tops than you can wear on top of one another, a fleece or two (no wool — no fun when it gets wet!), and a fairly light but warm and waterproof jacket (snow is slippery and you can bet it will creep in EVERYWHERE if you fall). You’ll also need ski pants — which should definitely be waterproof — and perhaps a pair of long johns to wear underneath them (I’ve heard of girls wearing tights or leggings, which would also work for that extra layer.) You’ll need some thick, warm socks (at least one pair a day), a hat to cover your ears, and some goggles or sunglasses to protect your eyes from the sun and snow. (You said you already had a scarf, which you may or may not need, given on how far up you zip your jacket!) Finally, you’ll need some good strong waterproof gloves (no wool mittens!)

That’s the clothes — you should also remember to bring (and wear!) sunscreen on the slopes (snow reflects light, and you can certainly get a burn even if it looks overcast out). Keep yourself hydrated, and tuck your cash and ID into a small zipped pocket on the inside of your jacket. I never think it’s a very good idea to bring iPods or cameras on the slopes (too much liability), but some newer snowboarding jackets do actually have special protected pockets for these items, if you’re adamant that you need them.

Off the slopes, you’ll want comfy clothes, a good book to read, and maybe some Ben-Gay for your aching muscles!

Hope this helps — have a wonderful ski holiday, and please do check back if you need more details.

–Holly