Accuracy = Comfort

Sizing Chart

Undyz is built different


Undyz is built on truth, not guesses. Jean sizes are wildly inaccurate and not your Undyz size. To get the precision fit we’re known for, measure your real waist and high-thigh circumference in inches. Real numbers = real comfort. This is how we fix men’s underwear for good and for all—by finally making sizing honest.

High Thigh Waist Inches <32 32-35 35-37 37-41 >42
Waist Size S M L XL 2XL
Slim 18 20 22 24 26
(Regular) 20 22 24 26 28
Plus 22 24 26 28 30