Help your dog feel calm, safe, and secure with the ThunderShirt Grey Anxiety Jacket—a trusted, drug-free solution for dog anxiety. Using a patented design, ThunderShirt applies gentle, constant pressure to your dog’s torso, creating a calming effect similar to swaddling. This pressure-based approach is believed to help calm the nervous system and may encourage the release of natural calming hormones like endorphins. Proven to be over 80% effective, ThunderShirt is widely used for common anxiety triggers such as thunderstorms, fireworks, separation anxiety, travel, leash pulling, excessive barking, and licking. It requires no training, works quickly, and is veterinarian recommended, making it a simple and reliable option for anxious or overexcited dogs. Designed for comfort and ease of use, ThunderShirt can be worn at home, during travel, or in stressful situations—helping your dog stay relaxed when they need it most. From trusted brand ThunderShirt. Applies gentle, constant pressure for a calming effect Over 80% effective for reducing anxiety Drug-free and non-invasive No training required Veterinarian recommended Ideal for fireworks, thunderstorms, separation anxiety, travel & more Size Guide XX-Small: Dogs under 7 lbs (≤ 3.5kg) X-Small: 8–14 lbs (3.5–6.5kg) Small: 15–25 lbs (6.5–11.5kg) Medium: 26–40 lbs (11.5–18.5kg) Large: 41–64 lbs (18.5–29.5kg) X-Large: 65–110 lbs (29.5–50kg) Tip: Measure your dog carefully for the best fit.
