Thundershirt Dog Calming Anxiety Vest, Large Platinum Sport, Adjustable and Breathable

Thundershirt Large Platinum Sport is an adjustable calming vest for dogs, designed to help ease anxiety with a patented pressure wrap and lightweight, breathable 100% polyester fabric.

• Patented pressure-wrap design — applies constant, gentle pressure around your dog’s torso.
• Large, adjustable vest — fastens around the neck and torso for a secure fit.
• 100% lightweight, breathable polyester — allows comfortable wear while maintaining full mobility.
• Machine-washable fabric and no training required — makes the vest straightforward to use and care for.
• 89% of pet parents reported improvement in stress-related behaviors — a customer survey result for ThunderShirt.

ThunderShirt is made for dogs that experience stress around common events and situations, including thunderstorms, fireworks, time alone, travel, veterinary visits, grooming, crate training, loud noises, or visitors at home. Its pressure-wrap approach is similar to swaddling: the vest applies gentle pressure to the torso to help dogs feel calmer. It can also be used for rescue dogs and for stress-related behaviors such as hiding, barking, and destructive behavior.

How does the ThunderShirt pressure wrap work?

The patented design applies constant, gentle pressure around your dog’s torso to help ease anxiety naturally. ThunderShirt is the original dog calming vest and is the #1 vet-recommended dog anxiety vest; it is used without medication. The brand’s product information also reports a customer-survey success rate of over 80%.

• Designed for anxiety, fear, and over-excitement.
• May help with stress linked to noise, separation, travel, and changes at home.

How do I put on the Large vest?

Fasten the vest around your dog’s neck and torso, then adjust it to achieve a secure fit and suitable pressure. No training is required. The Large size is adjustable, but the product details do not provide body measurements; use the stated size and fit information when choosing for your dog.

• Made for comfortable wear with full mobility.
• Use for situations such as vet visits, grooming appointments, crate training, or new visitors.

What is the Platinum Sport vest made of, and how do I care for it?

The Sport vest is made from 100% durable, lightweight, breathable polyester fabric and is machine washable. Its design includes contrasting trim and reflective logos, which add visibility during nighttime walks.

• Platinum Sport style in a Large size.
• ThunderShirt can be paired with ThunderEase Dog Calming Pheromone Spray or Diffuser, powered by Adaptil, and ThunderBites Calming Chews.

The Large Platinum Sport vest suits dog owners looking for an adjustable, washable pressure-wrap option for stressful situations, including noise, travel, or separation. It is designed to help ease anxiety and related stress behaviors while allowing full mobility.