Thundershirt Dog Calming Anxiety Vest, X Large Platinum Sport, Adjustable & Machine Washable

Thundershirt is an X Large calming vest for dogs, designed to help ease anxiety, fear, and over-excitement with a patented pressure-wrap design.

• Patented pressure wrap — applies constant, gentle pressure around the torso to help dogs feel calmer.
• 100% lightweight polyester — breathable fabric supports comfortable wear and full mobility.
• 89% of surveyed pet parents reported improvement in stress-related behaviors while using ThunderShirt.
• Reflective logos and contrasting trim — add visibility details for nighttime walks.
• Machine washable and adjustable — makes routine care and fitting straightforward.

ThunderShirt is made for dogs responding to stressful events or situations with behaviors such as hiding, barking, or destructive behavior. Its pressure-wrap approach is designed for common anxiety triggers at home and away, including storms, fireworks, time alone, travel, and visits to the vet or groomer.

What situations is the ThunderShirt designed for?

The vest is intended to help calm dogs during noise-related stress, changes in routine, and other common triggers. ThunderShirt’s patented, swaddling-style design is scientifically proven to calm anxiety, fear, and over-excitement, and the brand reports an overall success rate of more than 80%.

• Use cases include crate training, loud noises, and new visitors at home.
• It is also made for reactivity and stress-related barking, hiding, or destructive behaviors.
• The vest is suitable for rescue dogs as well as other dogs experiencing these triggers.

How does the vest fit, and does it require training?

Fasten the vest around your dog’s neck and torso, then adjust it to provide a secure fit and the desired pressure. No training is required, and the Sport design allows full mobility for all-day wear.

• The adjustable wrap lets you set the pressure around your dog’s body.
• This listing is for the X Large size; the supplied product details do not give a body-measurement range.

What are the fabric and care details?

The Sport vest is made from soft, durable, breathable 100% polyester and can be machine washed. Its Platinum Sport styling includes contrasting trim and reflective logos.

• The lightweight fabric is designed for comfortable wear.
• ThunderShirt is identified as the original dog calming vest and the #1 vet-recommended dog anxiety vest; veterinarians, trainers, and millions of pet parents trust it.
• The brand offers a money-back guarantee: if the vest does not work, return it for a refund of the purchase price.

ThunderShirt Sport suits dog owners looking for a wearable, adjustable calming aid for stressful moments, including travel, grooming, and noisy events. It can also be paired with ThunderEase Dog Calming Pheromone Spray or Diffuser, powered by Adaptil, and ThunderBites Calming Chews as part of a broader calming routine. For a dog that needs a washable pressure wrap with freedom of movement, this X Large vest combines an adjustable torso fit with breathable polyester construction.