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Mountain formal means formal clothes that can handle a mountain. Think cocktail dresses and dark suits, in richer fabrics, with shoes you can walk in and a layer for when the sun drops.
If that dress code just landed in your mailbox, you’re not alone in Googling it. There’s no official rulebook. Here’s how a planner who helps couples write these dress codes defines it.
Kawania Wooten of Howerton+Wooten Events suggests couples spell it out like this: “For formal attire, guests commonly choose cocktail dresses and dark suits. Stylish fabrics and textures, such as suede, leather, and high-quality cowboy boots are also encouraged.”
So: dressed up, not stiff. Polished, with texture. And practical enough for gravel, grass, and a cold snap the minute the sun goes down.
What to Wear to a Mountain Formal Wedding
Dresses and jumpsuits
- Midi and maxi lengths are the safe bet. They read formal and keep your legs warm after dark.
- Richer fabrics. Velvet, satin, crepe, heavier silk. Skip anything thin and floaty that will fight the wind.
- Deep, earthy color. Forest green, rust, burgundy, navy, chocolate, deep plum. Jewel tones photograph beautifully against pines and peaks.
- A dressy jumpsuit works just as well, and it’s easier on uneven ground.
- Long sleeves are welcome, especially from September through May.
Shop mountain formal dresses:
Don’t want to buy a dress you’ll wear once? Rent the Runway rents designer pieces by the event, which is a smart move for a dress code this specific.
Suits
- A dark suit in navy, charcoal, deep green, or brown. A tux is only needed if the invitation says black tie.
- Texture is the point. Wool, tweed, flannel, or a subtle plaid all fit the setting.
- A tie or bolo tie. Either reads formal here. Follow the couple’s lead.
- A vest or a fine-knit sweater under the jacket adds warmth without looking casual.
Shop mountain formal suits:
Shoes
This is where mountain formal earns its name. Ceremonies happen on grass, gravel, wood decks, and the occasional hillside.
- Block heels and wedges instead of stilettos. Thin heels sink.
- Dressy boots. Leather or suede ankle boots, knee-high boots, and polished cowboy boots are all fair game.
- Leather dress boots or brogues with a suit.
- Flats with some structure if heels aren’t your thing. Pointed-toe or embellished styles keep it formal.
Shop block heels:
Shop dressy boots:
Wraps, jackets, and layers
Mountain evenings get cold fast, even in July. Plan the layer as part of the outfit, not as an afterthought.
- A wrap or shawl in wool, cashmere, or faux fur.
- A tailored coat or dressy jacket. Suede, leather, or a structured wool blazer all work.
- Tights for fall and winter weddings.
- Leave the puffer in the car for the ceremony and photos. Bring it for the walk back.
Shop wraps:
Shop coats and jackets:
Mountain Formal by Season
- Summer. Lighter fabrics and bare shoulders are fine during the day. Bring a wrap. It will still be chilly by the last dance.
- Fall. Peak mountain formal. Velvet, long sleeves, boots, and deep color.
- Winter. Floor-length, tights, closed-toe boots, and a real coat. Check whether any part of the day is outdoors.
- Spring. Expect mud and a little of every season. Closed shoes and a layer you can take off.
What Not to Wear
- Stilettos. You’ll aerate the lawn.
- Jeans, unless the invitation says so.
- Hiking boots and technical outerwear in the ceremony photos.
- Thin sandals after September.
- White. Same rule as any wedding.
Mountain Formal vs. Mountain Casual, Cocktail, and Chic
Couples use a few versions of this dress code. Here’s how each one is generally read.
- Mountain formal. Cocktail dresses and dark suits, with texture, boots, and layers welcome.
- Mountain cocktail. One step lighter. Knee-length and midi dresses, suits with or without a tie.
- Mountain chic. Stylish and a little relaxed. Elevated separates, nice boots, a great jacket.
- Mountain casual. The most relaxed. Sundresses, dress pants or dark denim, button-downs, and boots. Still a wedding, so still polished.
When in doubt, check the couple’s wedding website or ask. Nobody minds the question.
Mountain Formal FAQ
What is mountain formal attire?
Formal wedding attire adapted for the outdoors: cocktail dresses and dark suits in richer fabrics, paired with practical shoes and a warm layer.
What does mountain formal mean for women?
A midi or maxi dress or a dressy jumpsuit, block heels or dressy boots, and a wrap or jacket.
What does mountain formal mean for men?
A dark suit in wool or tweed, a tie or bolo tie, and leather dress boots or brogues.
Can you wear cowboy boots to a mountain formal wedding?
Yes, if they’re clean and polished. Planner Kawania Wooten lists high-quality cowboy boots as part of the look.
Is mountain formal the same as black tie?
No. Black tie means a tuxedo and a floor-length gown. Mountain formal is closer to cocktail attire with a rugged edge.
Setting a Mountain Dress Code for Your Own Wedding
Planning the wedding instead of attending one? A dress code like mountain formal only works if your guests understand it. Here’s what the pros recommend.
“Creating a dress code for your wedding is probably the most underutilized secret to getting the best photos,” confirms Monica Garcia of Story Alley Photography.
Consider your ideal look and feel
“In order to have a niche dress code, you need to have a very thoughtful design plan for your entire wedding,” explains Loni Peterson of LP Creative Events. “Think big picture about what you want your wedding images to look like and how your guests play a role.”
Prioritize your guests’ comfort
For starters, Tonya Hoopes of Hoopes Events urges couples to ensure their dress code works for the wedding’s location. “If you are thinking of having a stilettos and cowboy boots theme and your guests are going to walk in grass or on gravel to the ceremony site, you might want to reconsider the stilettos,” she says.
When communicating with guests, use softer language instead of “dress code,” which might seem rigid to some. Here are a few examples of gentle phrasing:
- Suggested attire
- Guests are encouraged to wear…
- Dress in your best…
- Please join us in…
Notify guests as soon as possible
Dress codes are usually revealed on the wedding invitation, which traditionally goes out six to eight weeks before the big day. However, it might be worth bumping it up a few weeks if you’re requesting themed attire that involves careful planning (think masquerade or Bridgerton-esque!). Work with your planner to determine the best timing for invitations so guests can prepare accordingly.
Provide plenty of context
While clear descriptions are essential, Jen Sulak of Weirdo Weddings also recommends offering visual guidance. “A visual expression will cut to the chase of your dreams and desires for the day,” she assures. “Put together a loose mood board of images that give the vibes and feel for everything you are envisioning.”
Kawania Wooten adds one caution: don’t go overboard. “Keep the information light,” she says. “You don’t want to intimidate your guests to the point that they decide not to attend your wedding.”
Wedding pro advice in this section was gathered by Meghan Ely of OFD Consulting.