Measurements are taken with the jeans laid flat. Measurements are taken in inches.

A — Waist
Straight across the top of the waistband, edge to edge.

B — Front Rise
From the crotch seam to the top of the waistband, along the front.

C — Back Rise
From the crotch seam to the top of the waistband, along the back. Shown dashed; the gray band above the waistband is the back, which sits higher than the front. 

D — Thigh
Straight across one leg, starting at the crotch seam.

E — Knee
Straight across one leg, 14″ below the crotch seam.

F — Leg Opening
Straight across the hem.

G — Inseam
Along the inside leg seam, from the crotch seam to the hem.

Waist, thigh, knee and leg opening are single-layer. Double them for the full circumference.

Measurement are taken with the shirt laid flat, in inches.

A — Chest (Pit to Pit)
Straight across the body, armpit to armpit, including any fabric past the side seams. Double it for the full circumference.

B — Sleeve Length
From the shoulder seam to the end of the sleeve.

C — Shoulder
On the back, from the top of one armhole seam straight across to the other.

D — Length
On the back, from where the collar meets the body down to the hem.

Dashed lines are measured on the back of the garment.