It's suggested to have someone else to measure for you.
If you have any other special requirement, pls white it in the "Special Instruction" field when you fill in size.
It's across shoulder from right shoulder joint to left shoulder joint instead of in circumference.
Measure around chest/bust at fullest point. For females, pls wear a bra when doing this measurement.
Measure around the smallest part of your waistline, it's also called natural waistline, at the point where your trousers would normally ride. Keep one finger between the tape and your body.
Measure around the fullest part of your hips, keeping the tape parallel to the floor.
Measure the end of the inner thigh to ankle.
Measure the fullest part of the thigh.
Measure the fullest part of the calf.