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ThunderShirt Classic Dog Anxiety Jacket

3.8 out of 5 stars 4,662 customer reviews
| 365 answered questions

Price: $37.95 & FREE Shipping on orders over $49. Details
In Stock.
Large (41-64 lbs)
  • The patented ThunderShirt design applies gentle, constant pressure to calm anxiety, fear, and over excitement.
  • Calms during fireworks, thunder, separation, travel, vet visits, and much more with no training and no medication so your dog stays drug-free. Great for rescue dogs.
  • Already over 80% successful at helping millions of dogs. Recommended by thousands of vets and trainers. Also works with ThunderLeash.
  • Money-back guarantee: We stand behind ThunderShirt. If you are not satisfied for any reason, simply return for a refund of your purchase price.
  • Backed by science: Dr. Temple Grandin and other leading behavior scientists studied ThunderShirt and found it effectively calms dogs
50 new from $26.84 2 used from $28.00

$37.95 & FREE Shipping on orders over $49. Details In Stock. Sold by Fruitionfree and Fulfilled by Amazon.

Frequently Bought Together

  • ThunderShirt Polo Dog Anxiety Jacket, Heather Gray, Large
  • +
  • Composure for Medium and Large Dogs, 60 Soft Chews
Total price: $54.89
Buy the selected items together


Product Description

Size: Large (41-64 lbs)

The original ThunderShirt has the best patented pressure wrap design available. Like swaddling an infant, ThunderShirt is scientifically proven effective to calm anxiety, fear, and over-excitement issues. Easy to use, ThunderShirt is adjustable for just the right pressure to calm your dog. Already calming millions of dogs, ThunderShirt has over an 80% success rate. Use for thunder, fireworks, separation anxiety, travel, vet visits, problem barking, reactivity, and much, much more. Great for rescue dogs. NO TRAINING REQUIRED. COMFORTABLE FIT FOR YOUR DOG. Made of machine washable, soft, breathable fabric. We offer a MONEY-BACK GUARANTEE: If ThunderShirt does not work, return it for a refund of your purchase price.

Product Details

Size: Large (41-64 lbs)
  • Product Dimensions: 0.9 x 9.4 x 13 inches
  • Shipping Weight: 0.3 ounces (View shipping rates and policies)
  • Domestic Shipping: Item can be shipped within U.S.
  • International Shipping: This item is not eligible for international shipping. Learn More
  • ASIN: B0028QK6EY
  • Item model number: HGL-T01
  • Average Customer Review: 3.8 out of 5 stars  See all reviews (4,662 customer reviews)
  • Amazon Best Sellers Rank: #527 in Pet Supplies (See Top 100 in Pet Supplies)
  • Product Warranty: For warranty information about this product, please click here

From the Manufacturer


Compare to Similar Items


This item: ThunderShirt Polo Dog Anxiety Jacket, Heather Gray, Large
Customer Rating 4 out of 5 stars (4662) 3 out of 5 stars (1740) 4 out of 5 stars (323) 4 out of 5 stars (444)
Price $37.95 $24.65 $24.95 $44.95
Shipping FREE Shipping FREE Shipping FREE Shipping FREE Shipping
Sold By Fruitionfree Amazon.com Emmy's Best Premium Pet Products Thundershirt
Dimensions 13.05 inches x 0.9 inches x 9.45 inches 0.4 inches x 7.6 inches x 10.4 inches 8 inches x 6 inches x 2 inches 1 inches x 14.5 inches x 10.5 inches
Item Package Weight 0.02 pounds 0.57 pounds 0.4 pounds 0.7 pounds
Size Large (41-64 lbs) Large Medium Large
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Customer Questions & Answers

Customer Reviews

Top Customer Reviews

Size: Large (41-64 lbs) Verified Purchase
Our older dalmation has severe thunderstorm anxiety. She shivers, hides, pants, and whines. It is terrible! I was another skeptical shopper, but willing to try the Thundershirt after reading about it in my Yahoo group. Some people in the group were getting good results.

I am happy to say that we have also had good results. Now, that doesn't mean it's an instant and 100% cure. It has lessened our dog's anxiety during storms by about 75%. She is still anxious, but she doesn't tremble, pant, whine, or hide. She will still pace some, but mainly she just lays down and looks unhappy until the storm is over. So it's a huge improvement.

I read another review about how tight the shirt is, so much so the reviewer worried about the product's safety. All I can say is that I think they bought the wrong size. We adjust the shirt so that it is snug, not tight. Our dog didn't like the shirt at first, and looked at us like we had lost our minds when we put it on her the first time. But she has gotten used to it. She even stands and looks at us when a storm is approaching, waiting for us to get her shirt.

We live in South Florida, the lightning capital of the world. So we have frequent strong thunderstorms. The Thundershirt has helped us get through this last rainy season with less problems and a happier dog. I think it's worth trying and I am glad we did.
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Size: X Small (8-14 lbs) Verified Purchase
OK - currently I'm rating this 4 stars, but I may come back and change this depending on how things continue to go.

For some background - I have a chihuahua mix who is deeply attached to me. He has issues with separation anxiety and a hyper-aggressiveness toward other dogs, particularly large dogs. If he so much as sees a dog or anything else that may be threatening (a person walking by or a noise downstairs) he will start barking as ferociously as a chihuahua can bark. It's problematic for me because he is an agility dog and I have to constantly be aware that he may try to attack the dogs near me at any moment he feels like they're encroaching on his territory (namely, me). I've done obedience training with him since he was 10 weeks old and he's a SUPER well behaved dog aside from these issues.

After researching online, I came to realize that he may be suffering from some form of anxiety, which is causing him to act out because he feels threatened. Thus, I came upon the Thundershirt.

I'm really not the type of person to purchase items that seem gimmicky, and admittedly, this shirt screams gimmick. However, with nearly 600 reviews on Amazon and a 4.5 star rating, I had to try it. Anything is worth trying if it will remedy a big issue in my dog's life. I don't want him to feel like he has to protect me all the time as that causes undue stress.

So, after receiving the shirt, I opened the box and was greeted with a very cute plastic packaging for the shirt. Almost like a manilla envelope except see-through. The shirt was very well made and soft to the touch..but I was more concerned with testing it out rather than inspecting the intricacies of how it was made.
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Size: Large (41-64 lbs) Verified Purchase
I thought I wrote a review about the sizing but it's not in My Account, so I'm not sure what happened with it. My dog was between sizes (he is roughly 25 lbs and 21" around the chest). I called Thundershirt Customer Support and they suggested ordering by weight. Well, he generally weighs 25, sometimes more, often times less (24 - 28 range). They suggested ordering the size he weighs "most often". So I got the medium. It was way too big for him. I fitted it as tightly as possible and it was snug, but barely so. And it was long enough that he couldn't have urinated with it on. I returned it to Amazon (they don't do exchanges on this product) and re-ordered a size small. It fits fine. (An aside, but that's another great thing about Amazon. The return was so easy, just click through the web site to my order, print out the pre-paid label they provide, drop it at the post office and done.)

Now the amazing part. My dog, Baxter, BARKS at EVERYTHING. He also has terrible anxiety attacks, esp. separation anxiety. I first put the shirt on Baxter last night. I hid some food under it first and let him find it, and then put the shirt on him. No balking at all (unusual for Bax). My husband was cleaning the ceiling fan before our twice-a-year switch of air direction and some dust from the tops of the blades fell to the floor, so he got out the vacuum. Normally Baxter freaks out at the vacuum cleaner. Barks, whines, runs into the bedroom and hides under the bed, go batty if the vacuum comes into the same room as him etc. Last night, he just laid on his "throne" and didn't even move (we have an ottoman covered with an old tablecloth that is his preferred resting place). I took a picture and am going to try to put it on this site.
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Size: X Large (65-110 lbs) Verified Purchase
I have a six year old golden retriever I have had since he was a puppy. For years I have been bothered by his anxiety when it thunders, storms, rains, winds come up, I mean you make a loud noise he shakes all over the place. He will run to you try to hide behind you, dig under the pillow you are laying on even if its the dead of night, once a year he gets really bad diarriah when the first thunderstorm of the year comes. It's just terrible, panting drooling, really literally shaking. I never thought there would be anything to help him! EVER. I didn't want to sedate him because I mean it's not good for him. So I bought this on a whim and it works! He runs to laundry room when it starts to thunder and he sits and waits for me to put it on him, if i don't notice (which is a first because I always dreaded storms) he will get me and lead me to it. He loves it, I love it, win win!
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