ThunderShirt Sport Anxiety Dog Jacket

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Happiness Guarantee

Happiness Guarantee

The ThunderShirt Sport Anxiety Dog Jacket  is the original, vet recommended, natural calming solution that helps reduce anxiety in dogs in a drug-free way. Like swaddling an infant, the vest's patented design applies gentle, constant pressure to calm all types of anxiety, fear, and over-excitement issues in dogs. Designed for comfort the breathable jacket features washable durable fabric with contrasting trim and reflective logos for safer nighttime walks. Great for thunderstorms, fireworks, separation anxiety, travel, vet visits, problem barking, reactivity and other stressful situations.


XXS: Chest 9-13 in. | for pets under 7 pounds
XS: Chest 13-17 in. | for pets 8-14 pounds
S: Chest 17-21 in. | for pets 15-25 pounds
M: Chest 21-25 in. | for pets 26-40 pounds
L: Chest 25-30 in. | for pets 41-64 pounds
XL: Chest 30-37 in. | for pets 65-110 pounds
XXL: Chest 37-50 in. | for pets 110 pounds