Find Your Perfect Size & Fit

Sizing Calculator & Measurement Guide



The Muscle Fit Basics Measurements Guide

Calculate Your Perfect Size

Start by using our sizing calculator tool below to find your recommended t-shirt size. Simply input your 'height' and 'weight' and in seconds we'll be able to tell you our recommended t-shirt size for Muscle Fit Basics apparel.


After you've used the sizing calculator and calculated your "recommended size", go ahead and explore our perfect fit t-shirt collection. All of our t-shirts are handmade, perfectly fitted and built to last and come with a 365-day guarantee.


Explore the Original muscle fit™ t-shirt

The White Crew
The Black Crew
The Royal Blue Crew
The Navy Crew
The Light Grey Crew
The Dark Grey Crew
The Burgundy Crew
The White Crew
The Navy Crew
The White Crew
The Dark Green Crew
The Dark Grey Crew

The Only T-Shirt Worth Wearing

Perfectly fitted, unbelievably comfortable and built to last. We designed this tee to be your go-to t-shirt whatever the occasion.

4.9/5

"The most comfortable and best fitting t-shirt in the world."





See How Customers Are Enjoying Their Upgraded Basics