You鈥檝e spent months planning your big event 鈥 which leaves you with approximately two seconds to choose what to wear the day of.

But your event day outfit can have a big impact on your confidence levels. Not only do you want to look the part, but your attire also has to survive all the running, climbing, and crawling (hopefully metaphorical) that you鈥檒l do.

Since you鈥檙e busy with more important aspects of your event (like hitting your sales goals), use this guide to nail your outfit 鈥 with key hacks that will save you on event day.

Get dressed to impress at your industry conference and trade show

Conferences have traditionally required formal business attire. But as business attire has evolved, a more casual look is often the norm. This, however, greatly depends on your industry. For instance, a financial services conference might call for a suit and tie. But if your conference is in San Francisco, where jeans and a button-down shirt are considered formal, you might be overdressed.

Just make sure you鈥檙e dressed comfortably 鈥 after all, you鈥檒l probably run a marathon around your venue.

Outfit hack: Wear durable pants or jeans and bring a sweater or blazer to layer on top in case you need to look spiffy for an impromptu meeting.

Sport a comfy, yet professional look at your yoga festival

Unless you鈥檙e hosting a Bikram (aka, hot and sweaty) yoga festival, wear your newest yoga attire. If you have the budget, consider ordering custom gear that incorporates your event logo and brand colors. Just make sure you鈥檙e comfortable 鈥 and not wearing clothes by a brand your head sponsor competes with!

Outfit hack: Don鈥檛 forget that you鈥檒l be standing or running all day. So wear sneakers or any shoe that will support your feet and, if you鈥檙e leading a class or two, are easy to remove.

Find a suitable attire for educational workshops

Like industry conferences, what you wear will depend on your audience.

A hoodie, T-shirt, and jeans will suffice if you鈥檙e running a workshop for software engineers. But if your event involves training sessions with business professionals or academic types, dress like a casual college professor. That means slacks, button-down shirts, and cardigans. For shoes, ballet flats or casual oxfords will complete the look.

Outfit hack: If you鈥檒l be standing in front of a projector, make sure you wear solid colors instead of patterns and that your choice doesn鈥檛 become see-through when exposed to bright lights.

Look relaxed and stylish at your food and drink festival

These events are often super casual. Choose a solid T-shirt with dark jeans and a comfy closed-toe shoe (dark canvas slip-ons work well) for a sophisticated but casual look.

Outfit hack: Consider ordering branded T-shirts for you and your event staff. This will help you and your attendees identify one another amongst the crowds.

Showcase your fashion sense at your bridal show or expo

These events showcase the latest styles and trends, so you鈥檒l want to make sure your outfit matches that theme. Women might choose a trendy jumpsuit while men can go for a crisp white button-down shirt with black pants.

Outfit hack: It鈥檚 still wise to stick with sensible shoes like basic black boots that won鈥檛 be torturous to walk in after several hours.

Stand out with your own music concert and festival style

Music promoters are a different breed and, therefore, often follow their own dress code. Legendary promoter Bill Graham, for example, is often depicted wearing a plain button-down shirt. Whereas Founder and CEO of Disco Donnie Presents, James 鈥淒isco Donnie鈥 Estopinal, Jr, is frequently seen wearing designer shirts and outlandish sunglasses.

No matter what, you can鈥檛 go wrong with a black T-shirt, dark rinse jeans, and fashion sneakers like Converse.

Outfit hack: Add a funky accessory, like a cool hat, vest, or a piece of statement jewelry that reflects the genre of music being featured.

Match your donors with an ideal fundraising and charity event ensemble

These more formal affairs require more formal attire. The vibe of the event, however, should dictate your clothing choice 鈥 and should always match what guests are asked to wear. Whether it鈥檚 black tie, festive attire, cocktail attire, or more casual, choose a look that鈥檒l help you blend in. For comfort, be sure clothing is well-tailored, breathable, and shoes are broken in and easy to walk in.

Outfit hack: If you鈥檙e planning to wear heels, be sure to bring a pair of flats in your bag for the end of the night when you鈥檙e cleaning up.

Once you鈥檝e picked the right outfit鈥

An outfit will only get you halfway to a cool, collected look. The other half comes from keeping your stress in check (and panic at a minimum).

Maintain a calm and cool look by using this Pre-Event De-Stress Checklist.