THUNDERSHIRT Polo Anxiety Vest for Dogs, Pink, X-Large -

ThunderShirt Polo Anxiety Vest for Dogs

By ThunderShirt
Rated 4.0418 out of 5 stars
Color: Pink

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$49.95Chewy Price

In Stock
FREE 1-3 day shipping

About This Item


  • Patented design applies gentle, constant pressure to calm anxiety, fear, and over-excitement. This gentle hugging produces a dramatic calming effect.
  • Calms your dog during fireworks, thunder, separation, travel, vet visits, grooming, and much more with no training and no medication.
  • Comfortable and easy on/off. Made of durable, breathable, soft fabric that is washable.
  • Recommended by trainers and veterinarians to relieve stress-related behaviors such as jumping, excessive barking, and inappropriate marking.
  • Proven effective in over 80% of dogs.

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Play Video: Learn More About ThunderShirt From Our Team of Experts
Learn More About ThunderShirt From Our Team of Experts

Questions & Answers

18 Customer Questions

I'm interested in the "Polo" thunder shirt, is it made in USA? If not could you tell me where? I am very interested in supporting USA. This information may help me make a decision. Thank you, you guys are just the best!!!
Answer by ChewyAug 18, 2019
This shirt is manufactured in the United States.

Where does the thundershirt sit on the chest area or does it impact the neck?
Answer by ChewyJun 13, 2018
The ThunderShirt uses Velcro to secure the shirt around the upper part of your pet's chest. It rests just below the neck. Please reference the below image.

How to size
Answer by ChewyJul 25, 2021
To get the most accurate size anxiety vest for your pet, measure the girth of their chest, around the widest part of your dog's torso right behind the front legs, with a cloth tape measure. Pull the cloth tape snug, but not tight. If you don't have a cloth tape measure, you can use a piece of string and measure it with a rigid ruler afterwards. If your pet measures between two sizes, we advise ordering the smaller as this product works through compression.

Do you leave the thundershirt on all the time or only when your dog is getting anxious?
Answer by ChewyFeb 10, 2020
ThunderShirt is designed to be safe to leave on for extended periods of time when appropriate for the situation or issue. If your dog will be wearing a ThunderShirt for more than one hour at a time, we recommend removing ThunderShirt every one to two hours during the initial periods to check for any signs of irritation points. Irritation points are very rare, but it is best to be cautious.

ReviewsWrite a Review

Rated 4.0418 out of 5 stars
287 Ratings
Would recommend to a friend

287 Customer Reviews

Rated 4 out of 5 stars
By Corliss1 on May 26, 2023

It helped some

The fit was a little large but he is only about 40 lbs but he has a large chest as he is a very muscular Wheaten Terrier. He did not totally stop trembling but it was much less intense.

Rated 5 out of 5 stars
By Joyce on Feb 12, 2023

This is fantastic It works !!

My 16 year old jack Russel Terrier who is 16 blind and deaf every night paces around the house and Howls keeps us up at night I tried giving him Benadryl and anxiety meds from the vet That did not work a friend suggested This thunder shirt and it worked! He is way more calm sleeps better at night We decided to keep it on him during the day because even when we touch him he is not so jumpy

Rated 1 out of 5 stars
By beckyb on Jan 4, 2023

this did not work

I bought this for a golden chow and golden retreiver for new years eve because I knew they would be scared of the fireworks and they are also scared of thunder. It did not do anything for them :(

Rated 4 out of 5 stars
By Nickie on Apr 3, 2023

Love my new shirt

Glad this came in time for the thunderstorms. Worked well for my Maltese.

Rated 4 out of 5 stars
By Sharon on Nov 30, 2022

Size Runs Small

Dixie is an 18-month-old female Red Heeler. She weighs 36 pounds. I bought a size medium for her, and it is very tight. For a dog her size I would recommend a size Large. I would also recommend using the calming spray along with the ThunderShirt.

Rated 4 out of 5 stars
By Lilly on Nov 3, 2022

All tangled up

So sorry Chewy, this vest is so pretty. I purchased this vest as a gift for my son's rescued furry friend that I keep/adopted bc my son cannot keep him at his place. However, I cannot use it bc my grand poodle's hair got tangled in the velcro & caused him some uncomfort as I pried is hair out of the velcro.

Rated 5 out of 5 stars
By BOBBIE on Nov 12, 2022

Thunder Shirt Works

This is the second Thunder Shirt we've purchased for a dog. Sugar is a rescue and came with issue. The shirt calms her down, is cute, and gives her a hug. We will always have a Thunder Shirt.

Rated 2 out of 5 stars
By Disneyfan on Jan 20, 2023

I do not see any difference with my dog

We have used it for misc. occasions and see no difference in our dogs stressed.

Rated 5 out of 5 stars
By PupLove on Sep 16, 2022

Works Well, But Size Chart Was Inaccurate

This ThunderShirt is improved over the old version; it is softer and has more velcro. It works really well for our dog. The sizing chart was off, as our dog fell squarely in the medium size, but definitely needed the large. Chewy customer service is excellent so we were able to return the too small item and purchase a size up.

Rated 2 out of 5 stars
By Lexi on Sep 4, 2022

Quality has decreased

I’m a huge fan of thunder shirts but this hot pink one is not the same as my other purchases. It’s significantly smaller (not as far down on her back), the material is not as stretchy and the Velcro slips. I guess I will get her a grey one and hope the material is better. I only chose pink so I could tell them apart in the drawer.