Measuring from a pant you own.
One of the most effective ways to know what size to order is to measure a good fitting pant you own and compare this with the above table.

To measure your pant place the pant on a flat surface button it or zippered it up and use the following graphics to get the measurements and compare with the above table.

Sleeve Length:
Measure the sleeves by including the entire shoulder and arm length.

Chest: Measure the shirt around from seam to seam below the sleeves.

Waist: Measure around your waist.

Inseam: The inseam of the pants is the inner leg stitching that runs from the edge of the hem to to the top most part where pant legs meet.