Biscuit the corgi is not a dog who volunteers for new experiences. By his own household's account, he's the last one to the door and the first to disappear behind the ottoman when something unfamiliar shows up — including, once upon a time, a small white fleece hoodie with leafy green tops shaped like a cabbage. These days Biscuit wears that same Cabbage Costume Hoodie to the neighborhood Halloween parade without a second thought. The costume didn't get less silly. The fit just got right, and the introduction got patient.
If you have a dog who eyes new clothing the way Biscuit once did, here's some reassurance: most Halloween costume stress isn't about the holiday at all — it's about fit. A hoodie that pulls at the shoulders, muffles the ears, or bunches at the neck will make almost any dog want out of it immediately, nervous or not. Here's how to get a comfortable fit for your own dog and ease them into wearing it, the way Biscuit's family did.
Start with the measurements, not the breed name

It's tempting to size a costume by breed alone, but two dogs of the same breed can measure differently depending on build, age, and coat. Pawdulge's size chart is based on two numbers: chest and back.
- Chest — measured around the widest part of the ribcage, just behind the front legs.
- Back — measured from the base of the neck to the base of the tail.
If your dog falls between two sizes, size up rather than down. A little extra room around the shoulders is far more comfortable than a snug fit that restricts movement — especially for a dog who's already unsure about wearing anything at all. A costume that feels like a hug instead of a squeeze is the whole game here. Our full sizing guide walks through exactly where to put the tape.
Where a corgi like Biscuit typically lands
For reference, Pawdulge's size guide places medium-large breeds in the 25–35 lb range — corgis, beagles, and cocker spaniels among them — in the XL size, with a chest measurement around 22" (56cm) and a back length around 15.5" (40cm). A long-backed, short-legged build like a corgi's is worth measuring carefully rather than guessing, since torso length matters more here than height off the ground. When in doubt, measure both numbers and let the chart do the deciding.
The long-backed workaround
Corgis and dachshunds run into the same problem with any garment cut for a standard silhouette: the chest measurement says one size and the back length says another. There's a simple way around it. A costume that fastens at the neck and lies along the back doesn't need a back-length match at all.
The bat wings pet costume is sized by chest and neck only, covering 36 to 85 cm across three sizes, and it goes on over the head with a single adjustable strap — nothing to thread, nothing to ride up when a short-legged dog walks. For Christmas, the Santa riding dog costume sits the same way, as a covering over the back rather than a fitted garment.
What actually makes a costume comfortable
The Cabbage Costume Hoodie is made from soft polar fleece, which stays gentle against sensitive skin and breathes better than heavier costume fabrics — useful for a dog who's already a little on edge and doesn't need to feel overheated on top of it. A few details matter more than they might seem at first glance:
- Adjustable hood drawstring — keeps the leafy hood in place without ever covering the ears, eyes, or whiskers, so your dog can still see, hear, and read the room around them.
- Stretchy sleeve cuffs — move with the legs instead of gripping, which matters for a dog who paces or shifts their weight when they're unsure about something new.
- Machine washable fleece — because a nervous first-timer is also more likely to have a little accident in it, and cleanup shouldn't turn into its own ordeal.
None of this is about making the costume "cuter." It's about removing every small physical annoyance that might otherwise convince a hesitant dog that the whole thing was a bad idea.
Signs the fit isn't right yet
Before you commit to a size, watch for a few tells. If your dog freezes in place the moment the hood goes up, check whether it's sitting too low over the eyes rather than assume it's simple stubbornness. If they keep trying to bite or paw at the cuffs, the sleeves may be gripping instead of stretching with them. And if the hoodie rides up over the back the moment they walk, it likely needs to go up a size in back length rather than chest width. Fit problems usually look like behavior problems at first — it's worth ruling out the costume before ruling out the dog.
Introducing the costume the slow way
Biscuit didn't go from hiding behind the ottoman to trotting down a decorated street in one afternoon. His family let him sniff the hoodie first, draped it over his back for a few seconds at a time before ever doing up the drawstring, and only added the hood once he was relaxed with the rest of it on. Treats and a calm, unhurried voice did more of the work than any amount of coaxing ever could.
The same approach works for most dogs who are new to costumes: introduce it in short sessions, let your dog associate it with something good, and stop before they get overwhelmed rather than pushing through to "get it over with." A well-fitted costume makes this whole process easier, because there's no pinching or restriction giving your dog a real reason to want it off. Our step-by-step guide for nervous pets breaks the process into four short days.
Ready for Halloween
Whether your dog is a seasoned costume-wearer or working up to their first one the way Biscuit once was, getting the size and fit right from the start is what turns a hoodie into something that gets worn every fall instead of once for a photo and never again. Browse the Cabbage Costume Hoodie, along with six other fleece designs, or see the full lineup in the Halloween Pet Costumes collection — soft polar fleece, machine washable, and sized from XS to 2XL for cats, small dogs, and big pups alike. A second costume in any design takes 15% off automatically at checkout.