You can have this professionally done at your local tailor, or you can do it home with your favorite pair of pants.
Choose a pair of pants that fit you perfectly; you will be measuring the inseam on the pants, so make sure they truly fit you.
Starting at the crotch seam (where the inner seams come together in the bottom middle of the crotch), use a tape measure to measure to the bottom edge of the leg (where the pants end).
This will be your preferred inseam. If you're unsure if you measured correctly, any local tailor should be able to assist.
Please note, we do not accept returns/exchanges on hemmed/altered gear.