Costume Heat Risk - Are You a High-Risk, Medium-Risk, or Low-Risk Costumer?

Whether you’re gearing up for a big performance, prepping for Halloween, or just love getting into character, overheating is no fun. So, how do you know if your costume needs a cooling vest? Every costume is different, but they all come with their own “heat risks", some require extra cooling power, while others just need a little help. Are you fully covered from head to toe in layers and fur, or are you showing some skin? Understanding your risk level is the key to knowing whether you need a cooling vest.

ThermApparel Cooling Vests are the secret weapon of actors and performers in some of the hottest situations—literally! Our vests have been used on the sets of 1883: A Yellowstone Origin StoryStation 19, and Nope, just to name a few, helping actors stay cool under intense costumes and stage lights. You don’t need to be a Hollywood star to get in on the action! Our cooling vests are perfect for masquerades, con's, theater performances, renaissance festivals, haunted attraction, Halloween costumes and more.

Check your costume against our handy and funny costume heat risk guide to see if you need a cooling vest or coat with your costume.

Full Body - High-Risk Costume

  • No skin in sight
  • Covered in fake fur
  • Wearing a full headpiece or mask
  • Gloves, boots—the whole shebang
  • Loves communicating in gestures and staying anonymous

Do they need a cooling vest?

Oh, absolutely. No coat required here! You’ll want to stay cool under all that. We recommend the UltraCool or RallyWrap to keep you comfy and safe.

Layered - High-Risk Costume

  • Rocking 3+ layers (cape, coat, hat, gloves—you name it)
  • Pants, leggings, maybe even a wig or beard
  • Built this look piece by piece, every detail counts
  • Fully committed to the character

Do they need a cooling vest?

Absolutely! You’ve crafted this look with care, and every detail matters. Stay cool and keep your hard work flawless with the UltraCool or RallyWrap.

Partial -  Medium-Risk Costume

  • 3 layers or more, but showing some skin
  • Hats, sandals, lighter fabrics
  • Easy to slip on/off
  • Great for last-minute party appearances or quick gigs

Do they need a cooling vest?

Maybe. But you might want to grab a coat just in case! We suggest UnderCool 3 for comfort without the bulk.

Revealing-  Low-Risk Costume

  • Lots of skin, minimal fabric
  • Practically looks like underwear
  • No pockets for your phone
  • Definitely not something for Grandma’s Sunday dinner

Do they need a cooling vest?

Nope, you need a coat!


You might have seen a ThermApparel Cooling Vest in action and didn't even know it! 

Did you know many Movies and TV shows with fall and winter scenes are filmed in July and August in 90˚F+ hot Atlanta, California, Florida heat? Yup! Can you imagine wearing a winter coat and boots in the middle of summer? Sometimes they need cooling because of the costumes, like the actors and actresses that wear real fire fighting gear in Station 19. 

The ThermApparel Cooling Vests have been used by actors and actresses in these exact situations. We have been lucky to help actors and actresses keep their cool in:

Utopia

DMZ

Gossip Girl

Waltons 

Station 19

Santa at the Mall

You don't have to be a big-time star to benefit from a ThermApparel Cooling Vest. Get one for your Halloween costume, Community Theatre Production, College Theatre, High School Mascot, or Santa suit. 

Have questions about bulk orders for all your actors and actresses? Give us a call. 855-232-7233

What sizes do you have?

UnderCool 3 - 5 sizes. XXS, S, M, L, XXL

UltraCool - 2 sizes - M/L, XL/XXL

RallyWarp - 1 size - fits most

Check our sizing page for all sizing info and a video explaining how to get the correct fit.

  • Sizing is based on your natural waist, not your hips or pant size. 
  • ThermAparel Cooling Gear needs to fit your body like a glove to give you the best cooling support. 
  • If you fall in between the 2 sizes order the larger size.
  • If you need help with sizing give us a call at 855-232-7233. We are happy to help.

How do I order a cooling vest?

  • Go to our shop page, select your size and cooling pack type, enter your address and credit card info and we will ship it to you.
  • If you need help placing an order give us a call at 855-232-7233. We are happy to take phone orders.
     

How do ThermApparel Cooling Vests keep me cool under my costume?

Our cooling vest is a PCM Cooling Vest, not gel or ice. PCM works better than gel and ice. Why is that and why is it important?

  • When your body is hot, blood vessels open up to release heat. In other words, you sweat and when the air hits your sweat it cools your body down.
  • Ice and Gel Packs cause blood vessels to constrict, preventing cooled blood from reaching your core. Ice is wonderful for cooling down a specific part of your body or bringing down swelling, but it doesn't cool your entire body. There is a reason doctors say 20 min on and 20 min off with ice packs. You need your blood vessels to open back up to allow the blood to start flowing again.
  • ThermApparel PCM Cooling Packs cool the blood without constricting your blood vessels. As your blood flows past the PCM Cooling Packs they cool your blood and your body keeps pumping cool blood through your system keeping your whole body cool.


Will it be comfortable while seated?

  • YES! Pilots and race car drivers have worn our product with great results. It's so comfortable, that most people forget they have it on.
  • Santa's wear our product when they talk to children in the hot malls. 


Will it interfere with the sizing of my costume?

Because our cooling packs are in the lower back area and are worn directly against the skin its low profile design won't cause you to need a larger size than you normally wear.

 

Will anyone know I am wearing it?

Unless you are wearing something super skin-tight, nope. ThermApparel Cooling Gear has a velcro closure in front and with its low profile design it won't add any bulk to your costume. The cooling packs are in the back so no one will notice.

 

How long will it keep me cool?

UnderCool 3 will last for 90 min to 3 hours depending on your choice of pack

RallyWrap will last 2-3 hours of cooling

UltraCool will last 3-4 hours of cooling 

SlimCool Packs last 1-2 hours
ExtendedCool Packs last 2-3 hours.

If you need it to last longer the packs can be refrozen and placed back in the vest, or you can purchase additional cooling packs and swap them when needed. Tip and Trick for a quick switch out. 

The cooling packs can be doubled up in the vest to make them last longer, but this will add a little more weight and bulk to the vest on your back.

The unique thing about our packs is their recharging time and ability. Check out our tech.

  • ice water in 30 min
  • freezer in 40 min
  • fridge in 60 min

The frozen cooling packs can be placed in an insulated cooler and stay cold for a few hours until you need to switch. 

  ORDER COOLING VESTS  

  It's not about feeling cold. It's about feeling good.   


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ThermApparel is a small business making big waves in the heat sensitivity world by designing the first lightweight, comfortable, and invisible cooling vest, UnderCool. Check us out online, on our blog, or FacebookTwitter, PinterestLinkedIn and Instagram.

Please let us know if you have any other questions or ideas in the comments below, we will follow up. You can always reach us via:

Live Chat - www.thermapparel.com  |  Email - contact.us@thermapparel.net  | Phone - 855-232-7233 |  Address: ThermApparel LLC. 40 Franklin St. 4th Floor, Rochester, NY 14620


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