Find Your Fit
1
3 FIT THEORY - 3 Shirts Icon
First
3 Different Fits
7 Day Try Out - Wash & Wear
3 Completely Different fits, all in your "size," to try on, wash & wear.
2
3 FIT THEORY - Prepaid Return Mailer Icon
Second
Keep Your Favorite
Send Back The Others
Using the prepaid return mailer that's included with your fitting.
3
3 FIT THEORY - Unlock More Icon
Third
Unlock More Shirts
Colors & Styles
And always in the same fit as the fit you picked in your fitting.
Simple.
Easy.
Stress-free.
Even the Return Mailer is included.
No labels to print. No complicated returns. No hassles.
And the return mailer is postal approved, so it goes into your regular mail.
and
3 FIT Theory - 7 Day Try Out - Calendar Icon
7 Day Try Out

Wash 'em, wear 'em.
We still take two back.
3 Shirts, 1 Perfect Fit
Most guys decide their fit right away
But take your time if you need it.
You have 7 full days to try 'em out.
3 FIT THEORY - No Shrink Icon
Our Shirts Don't Shrink
Even in the dryer.
But we encourage you to see for yourself.
Tumble dry low, typically recommended for most clothes.
3 FIT Theory - Package Icon
Shirt “Sizes” are dumb.
Let's Get You Fitted.
  Free Shipping
  Made in USA
HOW IT WORKS
1
3 different shirts
More than just sizes
Each will have a different fit.
2
Wash 'em. Wear 'em.
Try them out.
You decide what fits you best.
3
Keep your favorite.
Send the others back.
Prepaid return mailer included.
THEN WHAT?
You never have to shop for shirts again.
No guesswork. Reorder in your fit forever. And get Preferred Pricing — up to 30% off every order.
✓   Nothing to join
✓   Not a subscription
3 FIT THEORY LOGO
Your Fitting
What Size Shirt Do You Typically Wear?
Just used as a starting point. We'll dial it in with the Fitting.
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!
Made In USA   Made In USA
Find Your Fit
3 FIT Theory - Package Icon
The Perfect Shirt Awaits
Get Fitted Now
Includes 1 Shirt Free
49
Regular Price
29
Limited-Time Only
Get Fitted Now
1-time charge. Not a subscription.
Made In USA Made In USA
Free Expedited Shipping   Free Shipping
Already Know Your Fit?
If you've already been Fitted, then you can login now.
Login Now ▸
Never Been Fitted?
Order your home Fitting Now. Takes less than a minute.
Get Fitted Now
3 FIT THEORY - Unlock More Icon
Then unlock more Styles & Colors and always in the same fit
4 Styles
… and are working on more
Crew Neck
Classic. Goes with anything.
V-Neck
Sleek. Defined. Not too deep.
Pocket Tee
More functionality and style.
Wavelength
Longer length with a curved hem.
… we're working on Polos and Henleys and more.
29 Colors
… and counting
First part of our 29 colors
Second part of our 29 colors
… and dropping more all the time.
3 FIT Theory - Fabric Roll Icon  
Our Fabrics
Specifically engineered to be the most badass fabrics you've ever worn.
Shake & Bake
Fabric Blend   50/50 Cotton/Poly
Fabric Weight Icon 160gsm / 4.7oz
Equal parts awesome & goes great with everything. A truly versatile fabric and great for all-day wear.
Wrinkle Resistant Icon; Wrinkle Resistant
Moisture Wicking Icon Moisture-Wicking
Living Legend
100% Cotton Icon   100% Cotton Slub
Fabric Weight Icon 170gsm / 5.0oz
Tragedy to triumph. You don't become legendary without some bumps and bruises along the way.
Vintage Feel Icon Vintage Soft
Shield Icon; Defeated Thanos
The Gladiator
100% Cotton Icon   100% Heavyweight Cotton
Fabric Weight Icon 230gsm / 6.8oz
Thick and heavy, yet soft and durable. So good it'll make you want to fight for democracy.
Extra Thick Icon Extra Thick
Very Strong Icon; Extra Strong
… and we'll be adding even more.
Made In USA
MADE IN USA
No middlemen, no overseas guesswork. Every shirt is made right here in the USA.
THE YEARS AHEAD
This is just the beginning. We've got so much planned for you in the years ahead.
3 FIT Theory - Package Icon
Shirt “Sizes” are dumb.
Let's Get You Fitted.
  Free Shipping
  Made in USA
HOW IT WORKS
1
3 different shirts
More than just sizes
Each will have a different fit.
2
Wash 'em. Wear 'em.
Try them out.
You decide what fits you best.
3
Keep your favorite.
Send the others back.
Prepaid return mailer included.
THEN WHAT?
You never have to shop for shirts again.
No guesswork. Reorder in your fit forever. And get Preferred Pricing — up to 30% off every order.
✓   Nothing to join
✓   Not a subscription
3 FIT THEORY LOGO
Your Fitting
What Size Shirt Do You Typically Wear?
Just used as a starting point. We'll dial it in with the Fitting.
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!
Made In USA   Made In USA
Find Your Fit
3 FIT Theory - Package Icon
The Perfect Shirt Awaits
Get Fitted Now
Includes 1 Shirt Free
49
Regular Price
29
Limited-Time Only
Get Fitted Now
1-time charge. Not a subscription.
Made In USA Made In USA
Free Expedited Shipping   Free Shipping
Already Know Your Fit?
If you've already been Fitted, then you can login now.
Login Now ▸
Never Been Fitted?
Order your home Fitting Now. Takes less than a minute.
Get Fitted Now