Bust
Measure the bust circumference horizontally around the body under the arms, at the fullest part, keeping the tape paralleled to the floor.
Natural Waist
Measure the waist circumference horizontally around the body at the smallest part of the torso, keeping the tape paralleled to the floor.
Hip
Measure the hip circumference of the body by standing with heels together and measure at the fullest part, keeping the tape paralleled to the floor.