The Dog Anxiety Vest That Is Already Used by MILLIONS of Dogs! This is the Sport style, which is fashionably fun quilting in heathered grey with orange trim. ThunderShirt® is the original, vet recommended, natural calming solution that may reduce anxiety in dogs in a drug-free way. Like swaddling an infant, this dog anxiety vest's patented design applies gentle, constant pressure to calm all types of anxiety, fear, and over-excitement issues in dogs. 89% of ThunderShirt® users see improvement in their dog’s anxiety when using the shirt! The ThunderShirt® is recommended for thunder, fireworks, separation anxiety, travel, & vet visits. Treat anxiety, fear, and over-excitement in style! You’ll love the ThunderShirt®’s calming effect on your dog. * Already used by millions of dogs * Veterinarian recommended * No training required * Easy to use * See last photo for company-recommended sizing guide