how does the thundershirt work?

I think it's the same principal that Temple Grandin used to calm down cows and herself (she had autism). It applies light pressure to the chest, stomach, and back of the dog. We ordered it, after noticing that placing a wet and heavy towel on our Bernese Mtn. Dog calmed him down. The Thundershirt though, calms him immediately and doesn't get everything wet!! It's a great buy!! We don't use it everyday....only when he seems under stress (constant panting, destructive behavior, pacing).

how do we figure if this will fit our dog?

they do run a bit small. I bought one of each size because I have multiple dogs. I have two Golden's so I bought the Large for a 70 pound dog and X-Large for a 90 pound dog and they fit great. They should be a little snug but keep in mind that they do run a little smaller. I would say they do not run a whole size smaller though.

Has anyone used it for their dog during a road trip?

I used it for a road trip and my dog was calmer than previous road trips. She tends to get car sick, but with a Dramamine and the Thundershirt she was fine.

I have a shiba inu that is about 25-30 pounds what size should i get?

The most important measurement is the girth or chest size. You want to make sure you get a good snug fit. A chest size of 16"-23" is a small (15-25lbs) and 18"26" is a medium (20-50lbs). Go with the smaller size to ensure a snug fit. Hope this helps!

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Description

🐾 Wrap your dog in calm — because peace of mind is the ultimate style statement!

DURABLE EASY TO CLEAN - Machine-washable fabric keeps the ThunderShirt fresh and ready for every anxiety-triggering event.
EFFORTLESS ON OFF DESIGN - Three-step pull-on closure makes calming your dog quick and hassle-free, even in stressful moments.
UNIVERSAL FIT FOR LARGE BREEDS - Designed to fit dogs 24-32 inches girth and up to 31.75 kg, perfect for your big furry friend.
VET RECOMMENDED ANXIETY RELIEF - Clinically endorsed calming wrap trusted by professionals to soothe your dog naturally.
ALL DAY COMFORT BREATHABILITY - Soft, lightweight fabric ensures your dog stays cozy without overheating during extended wear.

The Thundershirt Anxiety Dog Shirt in Heather Grey (Large) is a vet-approved, lightweight calming vest designed to reduce anxiety in dogs through gentle, constant pressure. Made from breathable rayon, polyester, and spandex, it fits large breeds with a girth of 24-32 inches and weighs just 240g. Easy to put on and machine washable, it’s the go-to solution for stressful situations like fireworks, travel, or vet visits.

Specifications

Pet Type	Dogs
Product Dimensions	2.29 x 24 x 33.15 cm; 240 g
Item model number	HGL-T01
Breed Recommendation	All Breed Sizes
Pet Life Stage	All Life Stages
Allergen Information	Abalone Free
Material Composition	35% rayon / 55 % polyester / 10% spandex
Closure	Pull On
Colour	Grey
Size	L
Minimum Weight Recommendation	40 Pounds
Maximum Weight Recommendation	31.75 kg
Minimum Girth Recommendation	24 inches
Maximum Girth Recommendation	32 inches
Volume	30 Fluid Ounces
Number of Items	1
Quantity	1
Care Instructions	Machine Wash
Special features	Easy to Clean, Lightweight, Veterinary Approved
Specific Uses	Anti-Anxiety and Behaviour Management, Behavioural Training
Batteries required	No
Batteries Included	No
Item Weight	240 g

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