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Thunder Shirt Original Grey--Calming Wrap for Pet Anxiety

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Calculated at checkout

Product Description

ThunderShirt is an excellent treatment for most types of dog anxiety and fear issues. For many anxieties, we recommend just putting on a Thundershirt and observing the results (No training!). You very well may see significant improvement for noise, crate, travel, barking and other types of anxiety with absolutely no training. For more complicated anxiety cases, we recommend using Thundershirt as part of a behavior modification program.

One thing is for certain, for a very large percentage of dogs, Thundershirt’s gentle, constant pressure has a terrific calming effect. This has obvious benefits for most types of anxiety. But Thundershirt is also a very useful tool for managing excitability or hyperactivity with strangers, on the leash, or in a training environment. Thundershirt’s calming effect helps a dog to focus (or refocus) her energies in a more constructive direction, allowing training to be more effective. 

Wearing Thundershirt for Extended Periods of Time: Thundershirt is designed to be safe to leave on for extended periods of time when appropriate for the situation or issue. When properly sized and properly put on with a comfortably snug fit, your dog should be very comfortable. If your dog will be wearing a Thundershirt for more than two hours at a time, we recommend removing the 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.

Measure “Chest Size” as illustrated by red arrow below

sizing chart


XXS chest 9-13", XS chest 13-17", 8-14lbs; Small chest 17-21", 15-25lbs;

Med chest 21-25", 26-40lbs; Lg chest 25-30", 41-64lbs; XL chest 30-37", 65-110lbs;

XXL chest 37-50", >110lbs.

  • Step 1

    Place the Thundershirt on your dog’s back and wrap the Short Flap under the torso.

  • Step 2

    Wrap the Long Flap under the torso and secure with fasteners onto the short flap. Make a comfortable, but snug, fit. You should be able to easily slide your fingers between the Thundershirt and your dog’s torso.

  • Step 3

    Wrap the Top Flap down onto the Long Flap and secure with fasteners. Adjust to improve the snug fit and keep Thundershirt securely in place.

  • Step 4

    Wrap the Neck Straps around the front of the dog and secure with fasteners. You should be able to easily slide your fingers under the Neck Straps and should not feel restricting around your dog's neck.

Thundershirt’s patent-pending design is a pressure wrap that applies a gentle, constant pressure on a dog’s torso. From real world experience, we know with certainty that Thundershirt DOES WORK. That is why we are able to offer a money-back guarantee. A survey of Thundershirt users shows that over 80% of dogs show significant improvement in at least one anxiety symptom when using Thundershirt.

According to some experts such as Dr. Temple Grandin, pressure has a calming effect on the nervous system. Using pressure to relieve anxiety has been a common practice for years. For example:

  • TTouch dog trainers use pressure to address a variety of anxieties.

  • Veterinarians use pressure to relax cattle when they are administering vaccinations.

  • Some autistic people use pressure to relieve their persistent anxiety.

Until now, there just hasn’t been a well-designed, inexpensive pressure wrap commonly used for canine anxiety.

Other Details

XXS, XS, S, M, L, XL

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