Place the end of the measuring tape high in the armpit and measure down to the wrist bone.
SHOULDER TO WRIST
Bend your elbow at a 90 degree angle, fingers pointing ahead, have someone measure from your outside shoulder point, around your elbow and to 2cm past your wrist bone.
SHOULDER TO SHOULDER
With arms straight down at sides, measure horizontally across the back from one side of the tip of shoulder to the other side.
NAPE TO UNDER BOTTOM
Measure vertically from the base of your neck (back) to under the bottom. (NOT following your body contours)