The ThunderShirt Sport effectively treats anxiety, fear, and over-excitement in style. Designed for comfort, the breathable jacket features washable, durable fabric with contrasting trim and reflective logos for safer nighttime walks.
• Over 80% effective
• Veterinarian recommended
• No training required
• Completely drug-free
ThunderShirt Sport has the best patented pressure wrap design available. Great for stressful situations such as:
• Thunderstorms
• Fireworks
• Separation Anxiety
• Travel Anxiety
• Crate Training
• Excessive Barking
• Hyperactivity
• Leash Puling
• Jumping/Excitability
• Reactivity
• Litter Box issues
• Vet visits
What is Thundershirt?
As seen on TV, Thundershirts are an affordable, drug-free solution for anxiety problems in dogs and cats. Thundershirt uses gentle, constant pressure on your pet's torso (just like a constant hug) to help calm your pet.
How it works:
Thundershirt uses pressure to relieve anxiety. Experts believe that pressure has a calming effect on the nervous system and have been using pressure techniques for years on both animals and humans.
Like acupuncture and acupressure does for people, applying pressure to dogs and cats has been proven to help calm them in stressful situations. In fact, 80% of dog owners who tried Thundershirt for a variety of anxiety problems noticed improvement in their dogs. Veterinarians and dog trainers use and recommend Thundershirt for anxiety too.
Details about Thundershirt:
• Make sure your pet meets the weight requirements. (See sizing chart below)
• Every size of Thundershirt includes fasteners to adjust to your pet's unique size and shape.
• While Thundershirt will usually reduce anxieties in dogs just by putting it on, in severe cases of separation anxiety, it is recommended to use Thundershirt in conjunction with a training program.
• We recommend measuring your pet's chest to ensure you purchase the correct Thundershirt.
Please note: Our list of recommended breeds is just a guideline, and in addition, our listed measurements differ from the measurements recommended by the manufacturer. Based on surveys that we conducted, we believe our measurements to be helpful when purchasing a Thundershirt for your dog or cat.
Sizing Chart |
Pet |
Size |
Weight |
Chest Size |
Recommended Breed |
Dogs: |
XXS |
7 lbs or Less |
9" up to 13" |
Toy dog breeds & puppies |
XS |
8 - 14 lbs |
13" up to 17" |
Chihuahua, Yorkshire Terrier, Pomeranian |
S |
15 - 25 lbs |
17" up to 21" |
Shih Tzu, Dachshund, Jack Russell Terrier |
M |
26 - 40 lbs |
21" up to 25" |
Beagle, Cocker Spaniel, Bulldog |
L |
41 - 64 lbs |
25" up to 30" |
Labrador Retriever, Golden Retriever, German Shepherd |
XL |
65 - 110 lbs |
30" up to 37" |
Mastiff, Great Dane, Saint Bernard |
XXL |
Over 110 lbs |
37" up to 50" |
Giant dog breeds. |
Cats: |
S |
Less than 9 lbs |
9" up to 13" |
Small cat breeds & kittens |
M |
9 - 13 lbs |
13" up to 17" |
Abyssinian, Birman |
L |
Over 13 lbs |
17" up to 34" |
Maine Coon, Ragdoll |
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