What to Wear in Aspen in December
Aspen in December needs two clothing plans: one for the slopes and one for walking around town.
- Base layer, insulating midlayer and waterproof ski outerwear
- Warm winter boots for walking after skiing
- Gloves, hat, goggles and suitable ski socks
- A repeatable knit-and-trousers outfit for dinner
- Wearing town boots as ski equipment
- Assuming every December date has the same open terrain
- Packing black tie without a venue or invitation requiring it
Pack by activity before choosing brands. Aspen Snowmass recommends non-cotton base layers, insulating layers and waterproof ski clothing, plus warm winter footwear off the mountain. A ski outfit needs freedom to move and compatibility with your equipment; a dinner outfit needs to handle the walk from your lodging. Reuse the town knit and trousers instead of assigning a new outfit to every evening. The climate line describes the town’s seasonal baseline, not a mountain forecast. Check resort conditions and the opening status of the mountain you plan to use before finalising the bag.
Separate slope clothing from town clothing before choosing brands.
The capsule
01Bogner Sport ski shell or Moncler Grenoble jacket + matching Bogner pantCheck waterproofing, fit and movement over your base and midlayers. The function matters more than the label; use suitable ski clothing you already own or arrange clothing rental where available.
02Smartwool Intraknit 250 base layer + Patagonia R1 fleece mid-layerAdjust the midlayer to the mountain forecast and your activity. A layer that fits comfortably under the shell is more useful than several bulky garments competing for space.
03Sorel Caribou or Pajar Banff Vibram-lugged snow bootUse these for walking around town after skiing. Check fit with winter socks and choose tread suited to winter conditions; do not assume any boot prevents slipping on ice.
04Kemo Sabe felt cowboy hat or shearling trapper hatUse a warm hat that covers your ears for cold walks. A felt cowboy hat is an optional town styling choice, not a substitute for warmth or a ski helmet.
05Gorsuch Loro Piana cashmere knit + Citizens of Humanity dark denimKeep this as your repeat town outfit. Use a comfortable knit from your closet and trousers that fit over a base layer if the forecast calls for one.
06Loro Piana cashmere wool topcoat + Hermès silk scarfA wool topcoat is an option for short town transfers in suitable weather. Choose a warmer or weatherproof coat when needed; a silk scarf is decorative rather than a replacement for a warm neck layer.
07One-piece ski suit — an alternative to separate jacket and pantsChoose either a suitable ski suit or separate ski jacket and trousers. You do not need both systems for a short trip, and neither grants access to a resort event.
08Dinner jacket or evening wrap — only for a specific eventPack this only when the actual invitation or venue specifies it. For an ordinary dinner, reuse the knit and trousers; keep warm footwear for the outdoor transfer.
Day to night
Ski shell and pants · base layer · fleece midlayer · insulated gloves. Wear town boots for the transfer and change into the correct ski equipment before skiing.
Cashmere knit · dark denim · warm coat · winter boots · warm scarf · hat. Dress up further only for a booking that calls for it.
A suggested look — Aspen December winter look: navy waterproof ski shell, merino base, dark snow pants, Sorel/Pajar insulated snow boots, shearling trapper hat.
What to avoid
Skip denim as ski trousers and avoid taking only smooth-soled town shoes. Do not turn a historical snowfall average into a promise of open runs. Bring a warm hat for walking, but use properly fitted protective equipment for skiing. A coat and tie is not generally required for mountain-casual dining according to Aspen Snowmass; verify any private event separately instead of packing for an invented nightly black-tie rule.
Frequently asked questions
Use a non-cotton base layer, an insulating midlayer and waterproof ski jacket and pants or a suitable ski suit. Add ski socks, insulated gloves, goggles and a properly fitted helmet. Aspen Snowmass publishes a packing list; adjust the layers to its current mountain weather and your planned activity.
Confirm exactly what the rental includes before leaving. Pack your clothing layers, socks, gloves and eye protection unless your provider explicitly supplies them. For town, start with two tops, one knit, two bottoms, winter boots and a warm coat, plus daily underwear. Rewear town layers and dry ski clothing between days.
Usually not for an ordinary mountain-casual dinner. Aspen Snowmass’s own packing guide says formal clothing is not necessary in general. A private club or holiday event can set its own rules, so use the specific reservation or invitation as the authority.
No. Check the resort’s current operating information for the mountain and terrain you intend to visit. Opening status depends on the season and conditions; a generic December guide cannot guarantee lift access, a particular run or an event.
Leave out the ski-specific gear and pack for your actual activities: warm outerwear, removable layers, comfortable winter boots, a hat, gloves and a scarf. If you book snowshoeing or another outdoor activity, check the operator’s equipment and clothing instructions separately.
Sources
- NOAA — 1991–2020 climate normals, Aspen 1SW, CO stationAt 2,410 m / 7,908 ft. Summer afternoons are mild rather than hot, and nights stay cold year-round.
- Aspen Snowmass — ski and town packing guide — accessed 2026-09-22
