T-shirt Size Guide

Measuring Tips to Assure The Best Fit

Unisex Size Spec Image  


Measure the back of the neck to the bottom of the shirt to get the length measurement.


Measure pit to pit to get the chest measurement.


Measure from the top to the shoulder to the bottom end of the sleeve.

T-Shirt Apparel Sizing

US SizeChest WidthShirt LengthSleeve Length
S18" (46cm)28" (71cm)14" (36cm)
M20 1/2" (52cm)29" (74cm)15" (38cm)
L22" (56cm)30" (76cm)16" (41cm)
XL24" (61cm)31" (79cm)17" (43cm)
XXL26" (66cm)32" (82cm)18" (46cm)
XXXL28" (71cm)33" (84cm)19" (49cm)

All dimensions are given in inches and centimeters in parentheses.


Welcome to ThirdWear.com's new website! Please note that it is going to take us a few days to get the hundreds of designs and items listed on this website.  Right now the website is pretty bare but please feel free to look around.  Please bookmark our site and check back frequently to see new designs.  Once we are finished setting up this website we will offer an awesome promo for the launch!