The New Standard in Custom Clothing

Classic and Casual Fabrics
Custom Shirts Starting at $98
Backed by our Fair Markup Guarantee


Create Your Custom Size
How It Works

Our Approach to Custom Clothing

We’ve rethought custom clothing from the ground up to be stylish, easy, and affordable—without the fuss.

Premium fabrics for every occasion—casual styles too. Impeccable construction. Exceptional customer service. All delivered with the best in modern technology at an unbeatable price—perfect fit and fair markups guaranteed.

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How It Works

  • Create a Custom Size

    Our sizing algorithm has been honed over tens of thousands of fittings by expert tailors for a precise fit that's more accurate than simple measurements.

  • Shop Online

    Choose from our exclusive selection of hundreds of fabrics, and select your ideal details like the perfect collar.

  • Expert Review

    Our master tailors will review your profile in detail before your first shirt goes to cutting.

  • Custom Production

    We cut and sew your shirt in about two weeks and ship right to your doorstep.

  • Perfect Fit Guaranteed

    Over 90% of our customers get a perfect fit with their first shirt, but if you need any adjustments we'll alter or remake your first shirt for free.

The Fair Markup Guarantee

More Shirt, Less Brand Markup.

Our goal is to offer the best value in custom shirts by investing more of the shirt’s retail price in the actual garment, not in expensive marketing campaigns, splashy photoshoots or big brand markups.

And, we put our money where our mouth is. If our margins exceed 45%, we'll distribute the difference in store credit to our customers.

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Our sizing

Our Sizing

Expert Tailoring, Enhanced by Machine Learning.

Our sizing algorithm is the most accurate in the industry, built with advanced machine learning, honed over thousands of fittings, and refined by the judgement of master tailors.

But, we still believe in the unmatched value of human experts, which is why every new client has their own dedicated Fit Advisor to provide expert guidance regarding sizing issues, and to provide a detailed review before their first shirt goes to production.

It's the best of both worlds, for a guaranteed perfect fit.

Learn About Our Fit Guarantee
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Our Quality

Ethically Made, Built to Last.

We choose to work with factories and fabric mills that have a long heritage of quality.

Our partners employ highly skilled and fairly compensated men and women, many of whom bring decades of experience and craftsmanship to their trade.

Way you live

Our Designs

Thoughfully designed for the way you live now.

Times have changed, and so should custom clothing. We’ve ditched the ostentation in favor of a more casual approach rooted in quality and durability.

Dress up, down, or somewhere in between—we've got you covered.

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Loved By Customers



“Once again, another perfect shirt. I have tried other custom shirt companies. They were all inferior. I continue to buy Ratio shirts because the fit is always perfect and the materials are outstanding.”


“This is my tenth shirt from Ratio—and I continue to love their high quality and reliability. It's always my first stop for shirts.”


“Absolutely perfect, from the customized sizing system, to the quality of the materials, to the selection of patterns and design options, to the price point.”




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Need Help?

Our fit experts are the best in the business, ready to answer your questions.

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Our Guarantee

If you're not 100% satisfied with your first shirt, we'll alter or remake it for free.

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Our Story

Read about our beginnings, our mission, and the values that guide us as a company.

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HQ Showroom

Visiting Colorado? Stop by our shop, get fitted, visit with the team, and place your first order.

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