Unisex Oversized Pet Tee Size Guide: How to Pick the Right Fit
A graphic tee should feel easy the moment you put it on. The print may be the first thing people notice, but the fit is what decides whether the shirt becomes something you actually reach for again.
At MarkMuse, our pet graphic tees are designed with a unisex oversized fit. That means the shirt is meant to feel relaxed, slightly roomy, and easy to style with everyday outfits. If you are between sizes or unsure whether to size up or down, this guide will help you choose the fit that feels right for you.
Start with the fit you want
The best size depends on how you want the tee to sit on your body.
Choose your regular size if you want a relaxed oversized look. This is the easiest choice for most people. It gives the tee room through the chest and shoulders without feeling too dramatic.
Size down if you prefer a cleaner, more standard fit. This works well if you like your T-shirt to look neater under a jacket, cardigan, or open button-up shirt.
Size up if you want a looser streetwear look. This is a good choice if you like a bigger silhouette, dropped shoulders, or a casual weekend outfit with wide-leg jeans, shorts, or joggers.
How to read the size chart
When checking the size chart, pay attention to chest width, length, and shoulder width.
Chest width is especially important because it affects how relaxed the tee feels across the front. The measurement is taken across the shirt while it is laid flat, not around the body.
Length matters if you care about how the tee falls. A longer tee can feel more streetwear-inspired, while a shorter fit may look cleaner and easier to tuck.
Shoulder width affects the oversized shape. A slightly wider shoulder gives the tee a relaxed look, which works well with bold pet artwork and funny graphic designs.
If you are comparing the size chart with a tee you already own, lay your own shirt flat and measure across it. This is usually more accurate than guessing from body measurements alone.
Men’s fit tips
For most men, choosing the regular size is the simplest option. The tee will usually feel relaxed without needing to size up.
If you normally wear your T-shirts loose, you can size up for a bigger streetwear shape. If you prefer a closer fit, size down only if you are comfortable with less room across the chest and shoulders.
Women’s fit tips
For many women, regular size gives a true oversized tee look. It can be styled with denim shorts, straight-leg jeans, leggings, or layered over a fitted long sleeve.
If you want the tee to feel more like a standard everyday T-shirt, consider sizing down. This keeps the look relaxed but makes the overall shape a little cleaner.
If you want a boyfriend tee effect, choose your regular size or size up depending on how loose you like it.
Think about the print
Pet graphic tees often look best when the fabric has enough room to sit naturally. If the shirt is too tight, the print can feel crowded or stretched across the body.
For custom pet tees, a relaxed fit also gives the artwork more space to stand out. Whether you choose a Custom Pet Art Tee or a Custom Pet Photo Tee, the design usually looks better when the shirt has a little breathing room.
White or black tees can also change the overall feeling. A white tee feels clean, bright, and easy for casual styling. A black tee feels stronger and works well with bold pet artwork, streetwear outfits, and layered looks.
Quick recommendation
If you want the safest choice, start with your regular size.
If you want less volume, size down.
If you want a bigger streetwear look, size up.
The right size is not only about numbers. It is about how you want the tee to feel, how you plan to wear it, and how much room you like in your everyday outfits.
A good pet graphic tee should make the design stand out, but it should also feel comfortable enough to wear often. Pick the fit that matches your style, and let the pet artwork do the rest.