A: Chest - Circumference at the widest part.

B: Waist - Measure at your normal beltline.

C: Shoulder to Shoulder - Shirt shoulder seam to shirt shoulder seam.

D: Neck - Circumference of neck.

E: Sleeve - Measure from the back of the neck at the center to your wrist; arm bent 90 degree angle at the elbow.

F: Inseam - Crotch seam to ankle bone.