We
Ship
To You
Internationally
3 FIT Theory - Worldwide Shipping Icon
Here's how International Membership works:
1
3 FIT THEORY - 3 Shirts Icon
First
3 Different Fits
Keep all 3 shirts.
Each new member receives 3 different fits, not sizes, to keep.
2
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Second
Unlock More
Colors & Styles
And always in the same fit as the fit you pick.
3
3 FIT THEORY - Free Shipping
Third
Free Shipping Credit
On Your Next Order
And 1-year of Premium Membership is included, too.
And a video to explain more...
So, International Includes...
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Free Shipping
On Your 3 Fitting
3 FIT THEORY - 3 Shirts Icon
All 3 Shirts
They're yours to keep
3 FIT THEORY - Free Shipping Icon
Free Shipping Credit
On Your Next Order
and
Premium Included International Shipping
3 FIT THEORY LOGO
3 FIT THEORY LOGO
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3 FIT INTERNATIONAL

1-Time Only, Lifetime Membership
and
PREMIUM Included for 1 Year
3 FIT Theory - Lifetime Membership Icon
+
3 FIT Theory - PREMIUM Membership Icon
72
Regular Price
54
Limited-Time Only
PREMIUM Included for 1 Year
Lifetime Membership Included
Membership is 1-time only. Not a monthly subscription.
 
X-Small & 4XL＋
Size Help Icon   Need Size Help? ▾
3 FIT THEORY - No Shrink Icon
Our Shirts Don't Shrink
United States “Sizing”
Chest Measure Icon
Know Your Chest Size?

We kinda hate size charts,

But without knowing your body type and preferences, it's the best starting point
Need Tall Sizes? ▸
Chest Size Chart
or
Email Symbol Icon
Or, email us.
hello@3fittheory.com

We're happy to help.

(We reply within 1 business day, if not sooner)
3 FIT THEORY LOGO
Your Fitting
Note: Our Shirts Don't Shrink
“Tall Size” Info ▸
Length?
“Muscle Fit” Info ▸
Type?
V-Necks or Crew Necks?
All 3 shirts will be different fits in the neck you choose.
All styles will be unlocked and available to you after your fitting. This is just to give you an option for your fitting.
Black or White?
You'll unlock more colors after your fitting. Unlocking is immediate and free after your fitting.
Pay With:
Scroll up and select your starting size first

Order Summary

TOTAL:  
Note:   Verify your Shipping Address during your PayPal Checkout.
You can edit this inside PayPal when you checkout below.
Total is in United States Dollars. Your PayPal may automatically convert the amount into you currency.
You are responsible for, and agree to pay, any customs or import duties, which will be assessed upon delivery and are not included in the total price.
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Order Summary

TOTAL:  
(USD)
Total is in United States Dollars. Your bank (or credit card company) may automatically convert the amount into you currency.
You are responsible for, and agree to pay, any customs or import duties, which will be assessed upon delivery and are not included in the total price.
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Errors have been marked above
Got Questions?
3 FIT Theory - Got Questions Icon More Info 3 FIT Theory Logo F.A.Q 3 FIT Theory - Domestic Shipping Icon United States?