Maroon

I have Calculation T-Shirt

Maroon / S
From $29.99
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Maroon

Sizing Guide

Find your corresponding size on the chart to guide your purchase. Measurements are in inches.

bmp-sizechart-tshirt for Hobbies Theme
Color: Maroon
Size:
From $29.99

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Satisfaction Guaranteed

Hassle-Free Returns

Blitz-Fast Shipping

Free & Easy Returns

The Underpromotion Promise

Ordered the wrong size? No problem. We'll send you the correct one—no hassle, no complicated moves required. Just get in touch, and we'll take care of the rest. ♟️

Built to Last

Reinforced Durability
Double-needle stitching at the shoulders, sleeves, and waistband helps your tee hold up game after game. ♟️

Seamless Collar
Quarter-turned construction removes the center crease and keeps the shirt looking sharp over time.

Tear-Away Label
A tear-away tag for smooth, tagless comfort — no distractions from your next move.

Premium Every Day Comfort

100% Ring-Spun Cotton
Softer, stronger, and more durable than standard cotton. ♟️ Pre-shrunk to keep its shape wash after wash.

Breathable Fabric
Lightweight 4.5 oz fabric that keeps you comfortable from the opening move to checkmate.

True-to-Size Unisex Fit
A relaxed, classic fit designed to feel great on just about every player on the board.

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Designed By A Chess Player

Underpromotion.net isn't run by marketers guessing what chess players might like. Every design is created by a genuine chess enthusiast who follows the tournaments, personalities, openings, memes, and culture that make chess unique. The result? Apparel that feels like an inside joke, a badge of honor, or a conversation starter at your next tournament.

Tourney-Worthy Comfort

A five-hour chess game is hard enough without an uncomfortable shirt.

That's why every design is printed on the premium Gildan Softstyle® 64000, featuring ultra-soft ring-spun cotton, a smooth print surface, durable taped shoulders, and a modern classic fit.

Whether you're chasing rating points, analysing games, or heading to club night, it's built for comfort from opening to endgame.

Fair Play Customer Service

Chess is built on sportsmanship, integrity, and respect—and so is our business. If something isn't right with your order, we'll work quickly to make it right.

No complicated rules, no endless email chains, and no disappearing after the sale. Just honest support, fair solutions, and the kind of service we'd expect ourselves as fellow members of the chess community.

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The Underpromotion Difference

Built by a chess lover, not a corporation.

I’m a small independent business with a genuine passion for chess. Every design is created with the game, and the people who play it, in mind.

No generic merch. No corporate nonsense. Just chess apparel made with passion.

That feels authentic without laying it on too thick.

Customer Reviews

Overall rating: 4.7 / 5 from 25 reviews.

Customer photo review of Lose to a Kid Chess T-Shirt

My son is a scary chess player, he says his opponents chuckle when they are about to play a game, every loves it

Lose to a Kid Chess T-Shirt

Store owner replied: Glad you and your son like it!

Customer photo review of Golden Retriever Chess T-Shirt

Golden retriever and chess combination. Such a fun design without being too over the top, and it looks really good on the shir, good print, surives washes no problem

Golden Retriever Chess T-Shirt

Customer photo review of I Don't Date, I Mate T-Shirt

The tee is funny, clean and gets a reaction whenever someone reads it. I love underPromotion extensive collection , i will be back for more

I Don't Date, I Mate T-Shirt

Customer photo review of Chess Education Importanter T-Shirt

The shirt is simple but has plenty of personality, and it’s perfect for wearing to chess club or just casually. Washing machine doesn't destory the print

Chess Education Importanter T-Shirt

Customer photo review of Piece Shadow Chess T-Shirt

I'm not into shirts with big typography but i just like the shape of this design. I wear it to my chess meet ups often

Piece Shadow Chess T-Shirt

Customer photo review of Periodic Table Chess T-Shirt

Really like the design and the quality is solid. Shipping is not as fast as Amazon, but I'd happily order another one.

Periodic Table Chess T-Shirt

Customer photo review of Patriot Chess Pawn T-Shirt

Exactly what I was looking for. The print is crisp, the shirt is really comfortable, and I've already ordered another design.

Patriot Chess Pawn T-Shirt

Customer photo review of Chess Psycho-Knight T-Shirt

Couldn't be happier. Great fit, great print, fast delivery, and it's become my go-to shirt for tournaments and casual weekends.

Chess Psycho-Knight T-Shirt

Customer photo review of 3 Moves Ahead Chess Dad T-Shirt

Bought this as a gift for my husband and he wore it the same day. Great quality, fits perfectly, and it definitely got a few laughs.

3 Moves Ahead Chess Dad T-Shirt

Customer photo review of Pew Pew Madafakas! T-Shirt

As soon as I wore it to my weekly chess meetup people started commenting on it. Comfortable, well printed, and definitely worth the money.

Pew Pew Madafakas! T-Shirt

Customer photo review of Think Retro Box T-Shirt

The colours are vibrant, the material feels premium, and it fits exactly how I hoped. I'll definitely be back for more designs.

Think Retro Box T-Shirt

Customer photo review of Fork & Find Out Chess T-Shirt

One of the nicest graphic tees I've bought online. Soft, lightweight, and the chess design is even better in real life.

Fork & Find Out Chess T-Shirt

Customer photo review of Knight Hostage T-Shirt

Really happy with it overall. The sleeves were a touch longer than I usually like, but the quality and print more than make up for it.

Knight Hostage T-Shirt

Customer photo review of Think Stripe T-Shirt

Perfect gift for any chess fan. Arrived quickly, looks exactly like the photos, and the material is much softer than I expected.

Think Stripe T-Shirt

Customer photo review of Fork & Find Out Chess T-Shirt

As soon as I wore it to my weekly chess meetup people started commenting on it. Comfortable, well printed, and definitely worth the money.

Fork & Find Out Chess T-Shirt

Customer photo review of Heartbeat 1.d4 Chess T-Shirt

Excellent quality from the fabric to the print. It's comfortable enough to wear all day and the design gets plenty of compliments.

Heartbeat 1.d4 Chess T-Shirt

Customer photo review of 3 Moves Chess Dad T-Shirt

Fantastic shirt. Comfortable straight out of the package, washes well, and it's obvious it was designed by someone who actually enjoys chess.

3 Moves Chess Dad T-Shirt

Customer photo review of Piece Shadow Chess T-Shirt

Couldn't be happier. Great fit, great print, fast delivery, and it's become my go-to shirt for tournaments and casual weekends.

Piece Shadow Chess T-Shirt

Customer photo review of Border Collie Chess T-Shirt

One of the nicest graphic tees I've bought online. Soft, lightweight, and the chess design is even better in real life.

Border Collie Chess T-Shirt

Customer photo review of Wine Repertoire Mom T-Shirt

The colours are vibrant, the material feels premium, and it fits exactly how I hoped. I'll definitely be back for more designs.

Wine Repertoire Mom T-Shirt

Customer photo review of Think Stripe T-Shirt

Really nice shirt and the print looks exactly like the photos. I personally wish the fabric was just a little thicker, but it's still comfortable and I'd happily buy another design.

Think Stripe T-Shirt

Customer photo review of Sloth not Furious Chess T-Shirt

Love this shirt! The design gets comments every time I wear it to my local chess club. Fits well, feels soft, and the print looks great after a few washes. Definitely ordering another one.

Sloth not Furious Chess T-Shirt

Customer photo review of 3 Moves Ahead Chess Dad T-Shirt

Bought this as a gift for my dad who's obsessed with chess. He laughed as soon as he opened it and has already worn it twice. Great quality and arrived faster than expected.

3 Moves Ahead Chess Dad T-Shirt

FAQs

Where are you located?

We are a US-based company. We print our t-shirts right here in the USA, like all US companies should. We have printers in both Florida and Texas.

For our international customers, we have partnered with printers around the globe to ensure your order reaches you as quickly as possible.

Do you ship internationally?

Absolutely! We ship worldwide so you can enjoy our products no matter where you are. Shipping rates vary by location, so be sure to check our shipping policy for details specific to your area.

Will I get a tracking number for my order?

Yes! Once your order ships, you'll receive a tracking email with a special number so you can follow your package's journey—right to your doorstep.

What materials are your products made of?

We use high-quality, comfy materials for all our tees—soft enough for cuddles, durable enough for playtime, and gentle on the skin. Exact materials may vary depending on the item, but you’ll find the details on each product page.