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Dog wearing Thundershirt
  • The Better Calming Solution
  • Money-Back Guarantee
  • Fantastic Solution for Calmer Vet Visits
  • Easy to Put On (Yes...We're Serious!)
  • SAFE - Applies gentle, constant pressure, similar to swaddling an infant.
  • EASY TO USE - Just put it on and watch the results. No training required.
  • EFFECTIVE - Over 80% success rate as reported by families, vets and trainers.
  • THE PERFECT VET VISIT SOLUTION – Allow ThunderShirt’s calming pressure to reduce your cat’s (and your) anxiety for the entire vet experience: travelling to, during and travelling home. Reduces or eliminates scratching, biting, soiling the crate, mewing, and much more.
  • MANY USES - But not just for the vets. Works for all types of anxiety, fear, and over excitement issues. Anytime calming may help, a ThunderShirt may help.
  • DRUG-FREE - No medications... just safe, comfortable pressure.
  • POSITIVE SOLUTION - Most cats love to wear ThunderShirts!
Thundershirt Cat Overview


We have seen a positive effect with cats

ThunderShirt is helpful in terms of making the trip to the Vet Hospital and while at the Clinic. We have seen a positive effect here with cats that we put ThunderShirt on. They relax almost immediately from the stress associated with a vet visit. I even use the ThunderShirt at home to help calm my cat while trimming his nails.


United States


Unlike Valium, you just take off the ThunderShirt with no residual side effects

Our 19lb kitty, Laser, REALLY hates to fly, and we had resorted to giving him Valium. It made him less hysterical but he felt so whacked out he'd yowl much of the flight AND the entire first night after we'd arrive. So let's just say that NO ONE liked that he traveled so poorly! A friend recommended the ThunderShirt, and we were reminded of it when we saw an ad in the airline's in-flight shopping magazine. We ordered the large size, which seemed to be fine for our big guy. It's pretty adjustable and we got it to fit pretty well, but Laser was so mellow in it he didn't seem to care if it was or wasn't on perfectly. We first tried it for the road trip to the airport, and we had ZERO yowling. Then on the airplane, it was still great. I hadn't doped him up but had the pills with us just in case. The ThunderShirt took enough of the edge off for him that he wasn't thrilled to be on a plane, stuffed in a small bag, but he was mellow and not freaking out. Yahoo! Good enough for me! We seriously had gotten to the point where we were considering road tripping for 4 days instead of having to fly with him, especially as some flight attendants say that the FAA rules require that the animal's carrier be kept under the seat ahead of you for the ENTIRE flight, not just for take off and landing. Our big scaredy cat is so much calmer if you can have the carrier on your lap, with your arm stuck in the carrier so he can rest his head on your arm. And this is a cat that doesn't like to sit on laps! But while some flight attendants are OK with that, I'm sure too many people abuse it by taking their animals completely out of their carriers, so some are really strict. On one flight on a smaller, connecting plane, Laser got so scared while under the seat ahead of him, he ripped through his carrier and was trying to climb up into my lap. I had to take a cab on our layover and buy another carrier in a seriously sketchy neighborhood with my 6 year-old daughter. Fun stuff. I'm so relieved to have found the ThunderShirt. The pheromone sprays, Valium, Rescue Remedy, etc were never enough to make travel bearable. And unlike the Valium, when you're at your destination, you just take off the ThunderShirt and there are no residual side effects, wobbly walking or all-night yowling. He doesn't love thunderstorms but he just hides under a bed and seems OK so we haven't used it except for car and plane trips. But, man, the bipeds in our family were SO less stressed because our sweet kitty was less stressed. We are really thankful and can't recommend it enough!


United States


It works!

It works! I put the ThunderShirt on my cat for 5 minutes at a time. And after I take it off him, he is calmer. I make sure I am watching him while he wears the ThunderShirt and I don't leave it on him for too long since he's not quite used to it yet.




I Recommend ThunderShirt to Everyone with Behavioral Problems...

“Casper, our Persian cat which we adopted as a 5 month old kitten, has had an anxiety disorder which causes him to cry continuously through the night, starting at 3 a.m. and continuing until it is light. For the past 11 years, our vet has medicated him with Elavil (amitryptyline) a tricyclic antidepressant drug used to treat depression in humans. As the years went on, we need to continue to increase his dose. We found a partial solution in using a calming collar, which contains mother cat pheromones. However, the problem was not solved. Since buying the Thurndershirt for Casper in December, 2012, he has been quiet at night and is completely off medication. He is also much more affectionate during the day. We have observed a synergistic effect with the collar plus the ThunderShirt and continue to use both. I have recommended ThunderShirt to everyone I know with pet behavioral problems. Thank you so much for a solution to Casper’s anxiety problem without drugs!


United States

  • ThunderShirt Classic Cat Anxiety Jacket

    ThunderShirt Classic Cat Anxiety Jacket