ThunderShirt for Dogs, X Small, Heather Gray Classic – Dog Anxiety Relief Calming Vest

$39.49

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Price: $39.49
(as of Apr 21, 2026 08:33:26 UTC – Details)


The original ThunderShirt has the best patented pressure wrap design available to reduce anxiety for dogs. In a 2022 survey, Customers saw improvement in anxiety issues in over 85% of their dogs. ThunderShirts are easy to use – they’re adjustable for just the right pressure to calm your dog. The patented ThunderShirt design applies gentle, constant pressure, like a hug, that may calm anxiety, fear, and over excitement due to a variety of environmental triggers. ThunderShirt is also great for rescue dogs and there is no training required. Our ThunderShirts are made of machine washable, soft, breathable fabric, making them very comfortable for your dog. We stand behind ThunderShirt. If you are not satisfied for any reason, simply return within the Amazon return window for a refund of your purchase price. Let us help your family today!
Is Discontinued By Manufacturer ‏ : ‎ No
Product Dimensions ‏ : ‎ 0.45 x 7.65 x 10.35 inches; 3 ounces
Item model number ‏ : ‎ HGXS-T01
Department ‏ : ‎ Apparel
Date First Available ‏ : ‎ May 13, 2009
Manufacturer ‏ : ‎ Central Garden & Pet
ASIN ‏ : ‎ B0029Q1WMS
Best Sellers Rank: #2,015 in Pet Supplies (See Top 100 in Pet Supplies) #15 in Dog Relaxants #46 in Dog Apparel & Accessories
Customer Reviews: 4.2 4.2 out of 5 stars (55,637) var dpAcrHasRegisteredArcLinkClickAction; P.when(‘A’, ‘ready’).execute(function(A) { if (dpAcrHasRegisteredArcLinkClickAction !== true) { dpAcrHasRegisteredArcLinkClickAction = true; A.declarative( ‘acrLink-click-metrics’, ‘click’, { “allowLinkDefault”: true }, function (event) { if (window.ue) { ue.count(“acrLinkClickCount”, (ue.count(“acrLinkClickCount”) || 0) + 1); } } ); } }); P.when(‘A’, ‘cf’).execute(function(A) { A.declarative(‘acrStarsLink-click-metrics’, ‘click’, { “allowLinkDefault” : true }, function(event){ if(window.ue) { ue.count(“acrStarsLinkWithPopoverClickCount”, (ue.count(“acrStarsLinkWithPopoverClickCount”) || 0) + 1); } }); });
ThunderShirt is the #1 vet recommended calming wrap & already used by millions of dogs to help calm anxious behaviors!
Our patented*, easy-to-use calming wrap for dogs is a drug-free option which applies gentle calming pressure around your dog’s torso, similar to swaddling an infant.
Use ThunderShirt whenever your dog experiences anxiety in situations such as thunderstorms, fireworks, vet visits, separation, loud noises, traveling, and having visitors.
Over 85% of pet parents surveyed reported improvement in their pet’s signs of stress when using ThunderShirt.
ThunderShirt is light-weight, breathable, and machine washable, fit for all climates and lifestyles. It is easy to use; simply fasten the straps around your dog’s neck and torso to apply gentle calming pressure. No training required.
Consider combining the ThunderShirt with ThunderEase Spray & ThunderWunders Calming Chews to create your calming dream team!
Trust the Dog Calming Experts at ThunderWorks with our 100% 60 Day Satisfaction Guarantee. If you are not completely satisfied, return to your place of purchase within 60 days for a refund of your purchase price.

11 reviews for ThunderShirt for Dogs, X Small, Heather Gray Classic – Dog Anxiety Relief Calming Vest

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  1. Doglover

    Also works for dogs who won’t let you stop petting them, like Goldens! It’s like a constant hug.
    I have a 57lb Goldendoodle. I ordered an XL, but I probably should’ve ordered a L. She has her summer cut now, so once she grows her curls back, she’ll fill it out a little more but I may also try to shrink it in the dryer. She loves wearing her “Tundra Coat” and will stick her head through it to help me put it on. It instantly calms her. She’s super needy for affection and this feels like a solid hug to her.

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  2. Stephanie

    Thunderstorm shirt for puppy
    This thunder shirt is a life saver for my 8 year old Min Pin! I got it about three weeks ago, tried it on her as soon as I got it to make sure she would like it or not. She immediately fell asleep for two hours…So, last night thunderstorm was coming through- she would run around and cry and try to hide. Well, not this time, took her to potty before storm came through- heard the first crack of thunder and put the shirt on. She was calm.It’s easy to adjust, just measure your puppy PRIOR to ordering- just know the XS is does not go over the puppy’s head like the small. Sizing up your puppy is key, make sure you measure correctly prior to ordering – there is definitely a difference between the XS and the S. The S goes over their head, the XS is ALL Velcro and it’s definitely smaller.I like the material because it’s soft, not thick but not too thin – just right. It’s really easy to use, as soon as you get it out of the package you will be able to see how to put it on your puppy. I do like the soft gray color as well. I think it helped my puppy calm down.Definitely love the product and recommend it! Would definitely buy it again!

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  3. Tracey

    The vest works great for our ptsd thunder scared dog
    The vest works great for our ptsd thunder scared dog. Fits her perfectly, seems comfortable, works effectively and keeps her dryer on rainy day outings- I only gave four stars because some of the stitching was shotty and it had a small hole upon arrival that will no doubt grow over time. You can wash it and it’s easy enough to get on her but she is quite submissive.

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  4. Willow

    I have purchased ThunderShirts for three dogs in the past four years
    This is the third ThunderShirt I have purchased over the last four years. None of the dogs I purchased the shirts for was afraid of thunder, but I have found these shirts to have a calming effect for other anxieties.The first ThunderShirt I ever purchased was a size XL for an elderly 84-pound labrador retriever to help her deal with the anxiety she experienced following a stroke. It also seemed to give some relief from the itching caused by her meds. She really liked wearing it, and would have gladly worn it 24/7, but I didn’t think that was a good idea. I was concerned she would get chafing or circulation problems from overuse, so she only got to wear it for a few hours a day. Still, I think it was an important part of the various things we did to increase her comfort until she was ready to leave this world. After she crossed over, the shirt was donated to help rescued dogs in foster care, and it was much appreciated by the foster “mom”.The second shirt was a size XS that was purchased for a rescued 11-pound rat terrier who has no issues other than sibling rivalry. He wanted to wear a ThunderShirt because his “sister” was wearing one. It also helps give him a little extra warmth in cool weather, which he really appreciates because he chills easily. And he looks really, really handsome wearing it.The third ThunderShirt was a size XXS purchased a month ago for a 5-pound chihuahua puppy I adopted two months ago. She was found abandoned in a storage container with three other dogs. She was rescued by the county animal control department and given veterinary care until she recovered enough to be adopted. She has issues. Many, many issues. She hadn’t been socialized at all and was absolutely terrified of people. She hadn’t been potty trained. She was not much more than skin and bones — you could easily see the outline of every rib. She obviously had been badly abused and she has a leg injury that may never heal completely. She didn’t know how to walk on a leash and was terrified to try. She shook with fright for fifteen minutes when shelter staff placed her in my arms. She screamed and screamed and screamed in absolute terror when a very gentle friend of mine tried to pet her.After a month of training and socialization, and lots and lots of love, my chihuahua had gained a whole pound, was starting to get the idea about where to go potty and where not to , and had learned how to use a doggie door! But she was still exhibiting a lot of fear and anxiety, so I got her the ThunderShirt. I forgot to go through the recommended training process to introduce her to the ThunderShirt, but thankfully it turned out to be one of the few things that didn’t frighten her. She loves it! It doesn’t make all her issues go away, but it definitely seems to reduce her anxiety. She doesn’t have very thick fur, so she appreciates wearing any shirt, but this is the only one that helps to calm her. She, too, would love to wear it 24/7, but I won’t let her. With lots of love and positive reinforcement and her new Thundershirt, she is getting a little braver. She can’t tolerate a leash attached to her collar, but she loves to walk in familiar places with her Bright Mesh Heart Printed Dog Cat Pet Vest Harness and Matching Leash Set in Blue for Dogs Cats (Large) . She will cuddle with me for hours, but she cowers if I move suddenly or use a stern voice. She is afraid of anyone new, except delivery people. They might be bringing Dogswell Nutrisca Dog Food, Salmon and Chickpea, 15-Pound Package or GREENIES Dental Dog Treats, Teenie, Original Flavor, 130 Treats, 36 oz. from Amazon! :-)I wouldn’t call the ThunderShirt a miracle, but I would call it an excellent tool for helping dogs with anxiety issues. It is effective, and it is well-made with quality materials. The latest version has three new features that were not on my original two ThunderShirts: a patch for using a calming spray, snaps for attaching a jacket, and some reflective trim to make your dog more visible at night. Unfortunately, I can’t use the calming spray because I am sensitive to one of the ingredients. I would love to get the snap-on ThunderShirt Outerwear Raincoat, X-Small, but so far have not been able to locate one in size XXS. I do appreciate the reflective trim because it glows in the beam of my flashlight when I take my puppy out after dark.I will continue to use the ThunderShirt to help reduce my puppy’s fear and anxiety. I will be using it when I introduce her to new situations, and I will update this review to report on how that goes.The first photo below shows what the ThunderShirts look like from the front, where they can be adjusted with the velcro that is under the front tab. Of course, the photo also showcases how adorable my dogs look in their (almost) matching ThunderShirts!The second photo clearly shows two of the new features on the chihuahua’s ThunderShirt, the patch and the reflective trim at the neck. The rat terrier is wearing the older version of the shirt, which he has had for four years now. He even has his name embroidered on it.The third photo was taken with a flash to show the reflective trim doing its job.

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  5. Rah

    Order much smaller size than you think!
    We’ve purchased two of these over the years. A small for a 40 pound English Setter, a medium for a 70 pound lanky golden retriever. Recently, we have been making 200 mile trips with a 65 pound golden doodle, and after 5 years of road trips, she developed a fear of riding in the car. Dont ask me why she traveled fine for 5 years and now gets anxious, it’s beyond me and my vet! We thought it might be car sickness, so the vet prescribed Dramamine and it made no difference. She doesn’t seem sick, so the vet is assuming anxiety. I bought an XL because of her weight and she’s a stocky girl. It was WAY too big. Too long and could almost wrap around her twice. We had the same sizing issues when we bought the first two shirts, as it took two tries on each to get it right. After days of rooting around in the closets, we found the medium that we had purchased years ago for the golden retriever. Lo and behold it fits, so we gave the XL to a friend to try on their Bernese Mountain Dog who is afraid of storms. The sizing charts are way off, so good luck! Id recommend taking your furry family member to a pet store and trying it on. As far as efficacy, it helps my little setter calm a little during thunderstorms, but does not completely eliminate the symptoms. It did little for the skinny Golden Retriever. I’ll update as soon as I see what difference, if any it makes in the doodle while traveling.

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  6. Ivory Lucas

    Great product, worth the money.
    We like it, I was surprised it really works for a small dog a Shih Tzu. It seems to comfort them and give an assurance of being held because it is wrapped tight around the body every time it rains I put it on her. I bought two one for upstairs and one for downstairs, great product.

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  7. Brenda McB

    I inherited a dog that had never been left alone. I am out for a few hours every day. He howled and cried even though there were 2 other dogs with him. He was not in a crate. The thundershirt is working wonders for him. Cries very little if at all. He is just calmer. Under vet direction, I also give him 2mg of melatonin for his anxiety. These 2 things really helped him.

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  8. Traveling Mom

    My dog is about 9 lbs. It fit her very well. It was easy to put on her and is well made.

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  9. Loretta hilton

    well made and good fit for medium dog. Basenji cross cattle dog 30 lbs. Velcro at the neck and torso made it easy fit.

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  10. Aus-jol

    My Jack Russell x would get very anxious (stressed and shaking) with thunder storms, when insects were in the house, and when having to go to the vet. Before trying anti-anxiety medication suggested by one of the vets, I thought I would try the thundershirt. It’s worked brilliantly. When she gets anxious, the shirt goes on and it calms her right down. She is no longer frightened going to the vets and, instead of becoming reactive (growling and trying to bite the vet), she is now happy to go to her appointments and the vet can give her her monthly injections without any reactive behaviour. In the vets words, they are now ‘BFF’s’! Thoroughly recommend. It may depend on the dog, but it’s worth a try before having to resort to medication.

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  11. Shannon Z

    The reviews and advertisements are 100% true!My anxious Beagle/Shepherd mix is horrible during storms, and in every day life when his anxiety levels rise.Wearing this shirt for him helps him sleep through thunderstorms. If the noise wakes him, he’s not running around the house panting and drooling – he simply raises his head, growls for a moment and curls back up to go back to sleep. During fireworks, he’s not running in circles, he’s cuddled next to me. This is an amazing product!Last night, I used this shirt on him because I had a rough day at work and knew I would have a restless sleep. All you dog owners out there know that our pets feed off our moods. By putting this shirt on him, he was able to NOT react to my tossing and turning, and as a result, I got a better sleep, even in my stressful mood!The only negative I have is that it seems that the velcro will pull on the shirt material, causing snags, etc. if the velcro isn’t carefully applied to the receiving strips. But who cares – the dog doesn’t, so I don’t 🙂 If I have to buy another next year, I absolutely will!

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    ThunderShirt for Dogs, X Small, Heather Gray Classic – Dog Anxiety Relief Calming Vest
    ThunderShirt for Dogs, X Small, Heather Gray Classic – Dog Anxiety Relief Calming Vest

    $39.49

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