A Personal Fit Is a Better Fit

Experience ultimate comfort with ALPHX® underwear, engineered for a more personal fit with six waist sizes plus options for slim, average, and muscular thighs.

Find Your Fit

Details Matter

When you're reinventing better fitting men's underwear

Find Your Size and Fit

 

Your Perfect Fit-tailor made for your body

One size doesn’t fit all—especially your thighs. ALPHX offers two leg fits, Modern for slim to average and Athletic for large to muscular, with six waist sizes for a truly custom fit

  SIZE CHARTS:

 WAIST SIZE
WAIST (INCHES) WAIST (CM)
XS 25-27 64-69
S 28-30 71-76
M 31-33 79-84
L 34-37 86-91
XL 38-41 94-102
XXL 42-45 104-114


INSEAM LENGTHS:
BRIEFS HAVE NO INSEAM 

INSEAM
(INCHES)
TRUNK BOXER BRIEF UNION PANT
XS 1.5 3.0 29.0
S 1.5 3.8 29.8
M 1.8 4.5 30.5
L 2.8 5.5 31.3
XL 3.8 6.5 32.0
XXL 4.8 7.5 32.8

 

About Us

We are Tom and Garrett, two industry veterans and friends with a shared goal to create more comfortable, better fitting underwear for men because a better fit feels better and when you feel better, you can be your best.

Find Your Fit