Measure the widest part of your chest, under the arms.

Measure the widest part of your chest, over the arms.

Measure with a jacket on. From where the shoulder and armhole seam meet, across the back to the same spot on the other side.

Measure with a jacket on. Starting from the shoulder seam down to the break of your wrist.

Measure around your neck where the shirt collar will be buttoned. Leave enough room for one finger.

Measure from the centre of the spine over the shoulder and continue straight down to the break of your wrist.

Measure snugly over your belt line. This measurement is usually bigger than most people's pant sizes.

Measure around the widest part of the hips, across the middle of the seat.

Measure from the top of the waistband to just below the ankle.