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Our Shirts Don't Shrink
United States “Sizing”
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Know Your Chest Size?

We kinda hate size charts,

But without knowing your body type and preferences, it's the best starting point.
Chest Size Chart
or
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Or, email us.
hello@3fittheory.com

We're happy to help.

(We reply within 1 business day, if not sooner)
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Are you ready?
Shirt “Sizes” are dumb.
Let's Get You Fitted.
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  Free Expedited Shipping
Arrives 2 business days, including Saturdays.
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  7 Day Trial
Starts only on delivery.
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  Our Shirts Don't Shrink
Washer & Dryer safe.
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Your Fitting
What “Size” Shirt Do You Typically Wear?
We use this as the starting point to find your fit.
Note: Our Shirts Don't Shrink.
Between 3XL / 4XL
4XL
Between 4XL / 5XL
5XL
Length?
Choose “Standard” unless you're specifically looking for more or less length.
Next, you'll customize your fitting.
Color, Length, and More!
Find Your Fit
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The Perfect Shirt Awaits
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Includes 1 Shirt Free
49
Regular Price
29
Limited-Time Only
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1-time fee. Not a subscription.
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Made In America
Made In USA
Santa Fe Springs, California